./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:16:45,166 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:16:45,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:16:45,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:16:45,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:16:45,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:16:45,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:16:45,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:16:45,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:16:45,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:16:45,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:16:45,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:16:45,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:16:45,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:16:45,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:16:45,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:16:45,183 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:16:45,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:16:45,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:16:45,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:16:45,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:16:45,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:16:45,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:16:45,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:16:45,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:16:45,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:16:45,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:16:45,192 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:16:45,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:16:45,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:16:45,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:16:45,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:16:45,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:16:45,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:16:45,195 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:16:45,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:16:45,196 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:16:45,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:16:45,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:16:45,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:16:45,207 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:16:45,208 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:16:45,208 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:16:45,209 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:16:45,209 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:16:45,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:16:45,210 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:16:45,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:16:45,211 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:16:45,211 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:16:45,211 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:16:45,211 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:16:45,211 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:16:45,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:16:45,212 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:16:45,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:16:45,212 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:16:45,212 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:16:45,212 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:16:45,213 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:16:45,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:16:45,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:16:45,213 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:16:45,213 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_467a40c9-7b83-46a7-9af5-2a6cef111646/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-11-18 16:16:45,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:16:45,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:16:45,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:16:45,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:16:45,248 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:16:45,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-18 16:16:45,283 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/data/b6881af48/5fbfa1182e104513b6e3aaf61d61e332/FLAG003088c28 [2018-11-18 16:16:45,713 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:16:45,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-18 16:16:45,722 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/data/b6881af48/5fbfa1182e104513b6e3aaf61d61e332/FLAG003088c28 [2018-11-18 16:16:45,731 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/data/b6881af48/5fbfa1182e104513b6e3aaf61d61e332 [2018-11-18 16:16:45,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:16:45,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:16:45,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:45,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:16:45,737 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:16:45,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:45" (1/1) ... [2018-11-18 16:16:45,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:45, skipping insertion in model container [2018-11-18 16:16:45,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:16:45" (1/1) ... [2018-11-18 16:16:45,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:16:45,774 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:16:45,951 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:45,959 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:16:46,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:16:46,073 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:16:46,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46 WrapperNode [2018-11-18 16:16:46,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:16:46,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:46,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:16:46,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:16:46,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:16:46,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:16:46,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:16:46,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:16:46,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... [2018-11-18 16:16:46,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:16:46,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:16:46,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:16:46,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:16:46,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/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 [2018-11-18 16:16:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:16:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:16:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:16:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:16:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:16:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:16:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 16:16:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 16:16:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:16:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:16:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:16:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:16:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:16:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:16:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:16:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:16:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:16:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:16:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:16:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:16:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:16:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:16:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:16:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:16:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:16:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:16:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:16:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:16:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:16:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:16:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:16:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:16:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:16:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:16:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:16:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:16:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:16:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:16:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:16:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:16:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:16:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:16:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:16:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:16:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:16:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:16:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:16:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:16:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:16:46,630 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:16:46,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:46 BoogieIcfgContainer [2018-11-18 16:16:46,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:16:46,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:16:46,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:16:46,634 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:16:46,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:16:45" (1/3) ... [2018-11-18 16:16:46,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c993521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:16:46, skipping insertion in model container [2018-11-18 16:16:46,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:16:46" (2/3) ... [2018-11-18 16:16:46,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c993521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:16:46, skipping insertion in model container [2018-11-18 16:16:46,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:46" (3/3) ... [2018-11-18 16:16:46,636 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-18 16:16:46,643 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:16:46,648 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:16:46,656 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:16:46,678 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:16:46,678 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:16:46,678 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:16:46,678 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:16:46,678 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:16:46,678 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:16:46,678 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:16:46,678 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:16:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-18 16:16:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:16:46,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:46,699 INFO L375 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] [2018-11-18 16:16:46,701 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:46,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash -140480500, now seen corresponding path program 1 times [2018-11-18 16:16:46,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:46,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:46,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:46,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:46,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:46,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:16:46,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:16:46,932 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:46,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:16:46,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:16:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:16:46,948 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-18 16:16:46,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:46,969 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2018-11-18 16:16:46,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:16:46,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 16:16:46,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:46,977 INFO L225 Difference]: With dead ends: 224 [2018-11-18 16:16:46,977 INFO L226 Difference]: Without dead ends: 112 [2018-11-18 16:16:46,979 INFO L604 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 [2018-11-18 16:16:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-18 16:16:47,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-18 16:16:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-18 16:16:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 131 transitions. [2018-11-18 16:16:47,007 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 131 transitions. Word has length 46 [2018-11-18 16:16:47,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:47,008 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 131 transitions. [2018-11-18 16:16:47,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:16:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2018-11-18 16:16:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 16:16:47,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:47,010 INFO L375 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] [2018-11-18 16:16:47,010 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:47,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:47,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1398249069, now seen corresponding path program 1 times [2018-11-18 16:16:47,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:47,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:47,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:47,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:16:47,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:16:47,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:47,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:16:47,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:16:47,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:16:47,111 INFO L87 Difference]: Start difference. First operand 112 states and 131 transitions. Second operand 3 states. [2018-11-18 16:16:47,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:47,128 INFO L93 Difference]: Finished difference Result 165 states and 191 transitions. [2018-11-18 16:16:47,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:16:47,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 16:16:47,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:47,132 INFO L225 Difference]: With dead ends: 165 [2018-11-18 16:16:47,132 INFO L226 Difference]: Without dead ends: 102 [2018-11-18 16:16:47,133 INFO L604 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 [2018-11-18 16:16:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-18 16:16:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-18 16:16:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 16:16:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-18 16:16:47,142 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 48 [2018-11-18 16:16:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:47,142 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-18 16:16:47,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:16:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-18 16:16:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:16:47,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:47,144 INFO L375 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] [2018-11-18 16:16:47,144 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:47,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:47,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1915083388, now seen corresponding path program 1 times [2018-11-18 16:16:47,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:47,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:47,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:47,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:16:47,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:16:47,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:47,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:16:47,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:16:47,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:16:47,277 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 7 states. [2018-11-18 16:16:47,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:47,625 INFO L93 Difference]: Finished difference Result 309 states and 373 transitions. [2018-11-18 16:16:47,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:16:47,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 16:16:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:47,629 INFO L225 Difference]: With dead ends: 309 [2018-11-18 16:16:47,629 INFO L226 Difference]: Without dead ends: 231 [2018-11-18 16:16:47,630 INFO L604 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 [2018-11-18 16:16:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-18 16:16:47,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2018-11-18 16:16:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 16:16:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 269 transitions. [2018-11-18 16:16:47,657 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 269 transitions. Word has length 52 [2018-11-18 16:16:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:47,658 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 269 transitions. [2018-11-18 16:16:47,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:16:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 269 transitions. [2018-11-18 16:16:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:16:47,660 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:47,661 INFO L375 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] [2018-11-18 16:16:47,661 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:47,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:47,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1150130670, now seen corresponding path program 1 times [2018-11-18 16:16:47,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:47,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:47,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:47,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:47,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:16:47,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:16:47,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:47,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:16:47,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:16:47,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:16:47,792 INFO L87 Difference]: Start difference. First operand 223 states and 269 transitions. Second operand 10 states. [2018-11-18 16:16:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:48,193 INFO L93 Difference]: Finished difference Result 772 states and 995 transitions. [2018-11-18 16:16:48,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 16:16:48,195 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 16:16:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:48,199 INFO L225 Difference]: With dead ends: 772 [2018-11-18 16:16:48,199 INFO L226 Difference]: Without dead ends: 573 [2018-11-18 16:16:48,201 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:16:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-11-18 16:16:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2018-11-18 16:16:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-11-18 16:16:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 697 transitions. [2018-11-18 16:16:48,249 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 697 transitions. Word has length 58 [2018-11-18 16:16:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:48,249 INFO L480 AbstractCegarLoop]: Abstraction has 561 states and 697 transitions. [2018-11-18 16:16:48,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:16:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 697 transitions. [2018-11-18 16:16:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 16:16:48,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:48,253 INFO L375 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] [2018-11-18 16:16:48,253 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:48,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash -2130863496, now seen corresponding path program 1 times [2018-11-18 16:16:48,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:48,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:48,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:48,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:48,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:16:48,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:16:48,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:16:48,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:48,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:16:48,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:16:48,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:16:48,329 INFO L87 Difference]: Start difference. First operand 561 states and 697 transitions. Second operand 4 states. [2018-11-18 16:16:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:48,445 INFO L93 Difference]: Finished difference Result 942 states and 1204 transitions. [2018-11-18 16:16:48,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:16:48,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 16:16:48,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:48,448 INFO L225 Difference]: With dead ends: 942 [2018-11-18 16:16:48,448 INFO L226 Difference]: Without dead ends: 405 [2018-11-18 16:16:48,451 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:16:48,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-11-18 16:16:48,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 393. [2018-11-18 16:16:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-18 16:16:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 455 transitions. [2018-11-18 16:16:48,472 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 455 transitions. Word has length 62 [2018-11-18 16:16:48,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:48,473 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 455 transitions. [2018-11-18 16:16:48,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:16:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 455 transitions. [2018-11-18 16:16:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:16:48,475 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:16:48,475 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:16:48,475 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:16:48,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1117712052, now seen corresponding path program 1 times [2018-11-18 16:16:48,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:16:48,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:48,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:16:48,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:16:48,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:16:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:16:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:16:48,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:16:48,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:16:48,605 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-18 16:16:48,607 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [84], [88], [94], [98], [102], [105], [110], [116], [118], [121], [123], [126], [139], [140], [141], [142], [182], [189], [192], [200], [206], [210], [211], [214], [215], [216], [217], [218], [220], [221], [222], [223], [224], [225], [226], [227], [228], [234], [244], [245], [248], [249], [250], [251], [262], [263], [264], [265], [266] [2018-11-18 16:16:48,632 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:16:48,632 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:16:49,007 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:16:49,009 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 16:16:49,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:16:49,026 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:16:49,286 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 97.7% of their original sizes. [2018-11-18 16:16:49,286 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:16:49,401 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-18 16:16:49,402 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:16:49,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:16:49,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [7] total 24 [2018-11-18 16:16:49,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:16:49,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 16:16:49,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 16:16:49,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:16:49,403 INFO L87 Difference]: Start difference. First operand 393 states and 455 transitions. Second operand 19 states. [2018-11-18 16:16:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:16:52,287 INFO L93 Difference]: Finished difference Result 536 states and 630 transitions. [2018-11-18 16:16:52,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 16:16:52,287 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 90 [2018-11-18 16:16:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:16:52,288 INFO L225 Difference]: With dead ends: 536 [2018-11-18 16:16:52,288 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:16:52,289 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2018-11-18 16:16:52,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:16:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:16:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:16:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:16:52,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 16:16:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:16:52,291 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:16:52,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 16:16:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:16:52,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:16:52,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:16:52,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:16:52,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:16:52,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:16:53,234 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2018-11-18 16:16:53,234 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2018-11-18 16:16:53,234 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2018-11-18 16:16:53,234 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2018-11-18 16:16:53,235 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:16:53,235 INFO L421 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:16:53,235 INFO L425 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2018-11-18 16:16:53,235 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:16:53,235 INFO L421 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:16:53,235 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2018-11-18 16:16:53,235 INFO L421 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 16:16:53,235 INFO L425 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-11-18 16:16:53,235 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2018-11-18 16:16:53,235 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point L696-1(lines 696 743) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2018-11-18 16:16:53,236 INFO L421 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,237 INFO L421 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2018-11-18 16:16:53,237 INFO L421 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2018-11-18 16:16:53,237 INFO L421 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:16:53,237 INFO L421 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:16:53,237 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,237 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L428 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2018-11-18 16:16:53,238 INFO L421 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 16:16:53,272 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-18 16:16:53,272 INFO L421 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,272 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,272 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2018-11-18 16:16:53,272 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2018-11-18 16:16:53,272 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,273 INFO L421 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,273 INFO L425 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2018-11-18 16:16:53,273 INFO L425 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2018-11-18 16:16:53,273 INFO L425 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2018-11-18 16:16:53,273 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,273 INFO L421 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,273 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L421 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-11-18 16:16:53,274 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2018-11-18 16:16:53,274 INFO L428 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L764-1(lines 764 778) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point L764-3(lines 764 778) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L425 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2018-11-18 16:16:53,275 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2018-11-18 16:16:53,276 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 16:16:53,276 INFO L421 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 16:16:53,276 INFO L421 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L421 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 16:16:53,276 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-18 16:16:53,276 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-18 16:16:53,277 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 16:16:53,277 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2018-11-18 16:16:53,277 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2018-11-18 16:16:53,277 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2018-11-18 16:16:53,277 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2018-11-18 16:16:53,277 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:16:53,277 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2018-11-18 16:16:53,277 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2018-11-18 16:16:53,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:16:53 BoogieIcfgContainer [2018-11-18 16:16:53,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:16:53,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:16:53,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:16:53,292 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:16:53,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:46" (3/4) ... [2018-11-18 16:16:53,295 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:16:53,298 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:16:53,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:16:53,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:16:53,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 16:16:53,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:16:53,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:16:53,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 16:16:53,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:16:53,356 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_467a40c9-7b83-46a7-9af5-2a6cef111646/bin-2019/utaipan/witness.graphml [2018-11-18 16:16:53,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:16:53,356 INFO L168 Benchmark]: Toolchain (without parser) took 7623.06 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 493.4 MB). Free memory was 957.1 MB in the beginning and 1.4 GB in the end (delta: -454.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,357 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:53,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.99 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. [2018-11-18 16:16:53,357 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,357 INFO L168 Benchmark]: RCFGBuilder took 504.55 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,358 INFO L168 Benchmark]: TraceAbstraction took 6660.56 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -383.3 MB). Peak memory consumption was 471.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,358 INFO L168 Benchmark]: Witness Printer took 63.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:53,359 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.99 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 28.82 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.55 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6660.56 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -383.3 MB). Peak memory consumption was 471.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 125 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 776 SDtfs, 971 SDslu, 2268 SDs, 0 SdLazy, 976 SolverSat, 296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 152 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=561occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970687339261904 AbsIntWeakeningRatio, 1.0561797752808988 AbsIntAvgWeakeningVarsNumRemoved, 76.40449438202248 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 595 PreInvPairs, 642 NumberOfFragments, 816 HoareAnnotationTreeSize, 595 FomulaSimplifications, 2100 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3838 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 44977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...