./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-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_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/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 82f74870a567ad4799d16040af8f13b048c16754 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:28:25,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:28:25,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:28:25,045 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:28:25,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:28:25,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:28:25,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:28:25,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:28:25,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:28:25,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:28:25,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:28:25,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:28:25,049 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:28:25,050 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:28:25,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:28:25,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:28:25,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:28:25,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:28:25,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:28:25,053 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:28:25,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:28:25,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:28:25,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:28:25,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:28:25,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:28:25,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:28:25,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:28:25,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:28:25,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:28:25,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:28:25,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:28:25,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:28:25,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:28:25,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:28:25,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:28:25,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:28:25,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 17:28:25,066 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:28:25,066 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:28:25,067 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:28:25,067 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:28:25,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:28:25,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:28:25,068 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:28:25,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:28:25,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:28:25,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:28:25,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:28:25,069 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:28:25,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:28:25,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:28:25,069 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_6013cfe5-fe52-436e-abb1-14eb54d534a8/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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2018-12-01 17:28:25,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:28:25,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:28:25,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:28:25,095 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:28:25,095 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:28:25,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-01 17:28:25,137 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/data/960adb490/2033bbd0320b4c5fab07a46ac4f83e31/FLAG78cff3854 [2018-12-01 17:28:25,460 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:28:25,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/sv-benchmarks/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-01 17:28:25,467 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/data/960adb490/2033bbd0320b4c5fab07a46ac4f83e31/FLAG78cff3854 [2018-12-01 17:28:25,863 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/data/960adb490/2033bbd0320b4c5fab07a46ac4f83e31 [2018-12-01 17:28:25,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:28:25,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:28:25,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:28:25,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:28:25,868 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:28:25,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:25" (1/1) ... [2018-12-01 17:28:25,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168f5904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:25, skipping insertion in model container [2018-12-01 17:28:25,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:25" (1/1) ... [2018-12-01 17:28:25,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:28:25,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:28:26,052 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:28:26,063 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:28:26,149 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:28:26,166 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:28:26,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26 WrapperNode [2018-12-01 17:28:26,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:28:26,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:28:26,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:28:26,167 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:28:26,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:28:26,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:28:26,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:28:26,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:28:26,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... [2018-12-01 17:28:26,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:28:26,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:28:26,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:28:26,228 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:28:26,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/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 [2018-12-01 17:28:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 17:28:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 17:28:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 17:28:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 17:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 17:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 17:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 17:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 17:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 17:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:28:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 17:28:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 17:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 17:28:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 17:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:28:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 17:28:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 17:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:28:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:28:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 17:28:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 17:28:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 17:28:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 17:28:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 17:28:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 17:28:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 17:28:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 17:28:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 17:28:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 17:28:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:28:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:28:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:28:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:28:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:28:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 17:28:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 17:28:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:28:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:28:26,588 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:28:26,588 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 17:28:26,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:26 BoogieIcfgContainer [2018-12-01 17:28:26,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:28:26,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:28:26,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:28:26,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:28:26,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:28:25" (1/3) ... [2018-12-01 17:28:26,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4788eb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:28:26, skipping insertion in model container [2018-12-01 17:28:26,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:26" (2/3) ... [2018-12-01 17:28:26,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4788eb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:28:26, skipping insertion in model container [2018-12-01 17:28:26,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:26" (3/3) ... [2018-12-01 17:28:26,594 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-01 17:28:26,602 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:28:26,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 17:28:26,622 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 17:28:26,642 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:28:26,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:28:26,642 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:28:26,642 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:28:26,642 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:28:26,642 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:28:26,643 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:28:26,643 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:28:26,643 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:28:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-01 17:28:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 17:28:26,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:26,660 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] [2018-12-01 17:28:26,661 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:26,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:26,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1217292559, now seen corresponding path program 1 times [2018-12-01 17:28:26,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:26,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:26,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:26,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:28:26,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:28:26,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:28:26,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 17:28:26,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 17:28:26,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 17:28:26,810 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-01 17:28:26,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:26,832 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-01 17:28:26,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 17:28:26,833 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 17:28:26,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:26,839 INFO L225 Difference]: With dead ends: 252 [2018-12-01 17:28:26,839 INFO L226 Difference]: Without dead ends: 126 [2018-12-01 17:28:26,842 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 [2018-12-01 17:28:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-01 17:28:26,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-01 17:28:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-01 17:28:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-01 17:28:26,871 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-01 17:28:26,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:26,871 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-01 17:28:26,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 17:28:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-01 17:28:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 17:28:26,873 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:26,874 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] [2018-12-01 17:28:26,874 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:26,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:26,874 INFO L82 PathProgramCache]: Analyzing trace with hash -402715447, now seen corresponding path program 1 times [2018-12-01 17:28:26,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:26,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:26,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:26,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:28:26,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:28:26,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:28:26,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:28:26,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:28:26,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:28:26,929 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-01 17:28:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:26,943 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2018-12-01 17:28:26,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:28:26,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 17:28:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:26,944 INFO L225 Difference]: With dead ends: 197 [2018-12-01 17:28:26,944 INFO L226 Difference]: Without dead ends: 117 [2018-12-01 17:28:26,945 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 [2018-12-01 17:28:26,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-01 17:28:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-01 17:28:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-01 17:28:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-01 17:28:26,953 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-01 17:28:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:26,953 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-01 17:28:26,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:28:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-01 17:28:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 17:28:26,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:26,954 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] [2018-12-01 17:28:26,954 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:26,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:26,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1982938722, now seen corresponding path program 1 times [2018-12-01 17:28:26,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:26,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:26,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:26,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:28:27,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:28:27,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:28:27,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:28:27,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:28:27,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:28:27,025 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-01 17:28:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:27,187 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-12-01 17:28:27,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:28:27,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 17:28:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:27,189 INFO L225 Difference]: With dead ends: 210 [2018-12-01 17:28:27,189 INFO L226 Difference]: Without dead ends: 117 [2018-12-01 17:28:27,189 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 [2018-12-01 17:28:27,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-01 17:28:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-01 17:28:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-01 17:28:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-12-01 17:28:27,197 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2018-12-01 17:28:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:27,197 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-12-01 17:28:27,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:28:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-12-01 17:28:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 17:28:27,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:27,198 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:28:27,198 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:27,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:27,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1649924382, now seen corresponding path program 1 times [2018-12-01 17:28:27,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:27,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:27,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:27,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:28:27,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:28:27,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 17:28:27,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:28:27,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:28:27,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:28:27,277 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2018-12-01 17:28:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:27,580 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2018-12-01 17:28:27,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 17:28:27,581 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-12-01 17:28:27,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:27,584 INFO L225 Difference]: With dead ends: 376 [2018-12-01 17:28:27,584 INFO L226 Difference]: Without dead ends: 283 [2018-12-01 17:28:27,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 17:28:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-12-01 17:28:27,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2018-12-01 17:28:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-01 17:28:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2018-12-01 17:28:27,616 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2018-12-01 17:28:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:27,616 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2018-12-01 17:28:27,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:28:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2018-12-01 17:28:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 17:28:27,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:27,627 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, 1, 1, 1, 1, 1, 1] [2018-12-01 17:28:27,628 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:27,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1874223490, now seen corresponding path program 1 times [2018-12-01 17:28:27,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:27,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:27,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:27,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:28:27,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:28:27,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:28:27,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:28:27,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:28:27,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:28:27,669 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2018-12-01 17:28:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:27,690 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2018-12-01 17:28:27,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:28:27,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-12-01 17:28:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:27,691 INFO L225 Difference]: With dead ends: 431 [2018-12-01 17:28:27,691 INFO L226 Difference]: Without dead ends: 176 [2018-12-01 17:28:27,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:28:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-12-01 17:28:27,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-12-01 17:28:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-01 17:28:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2018-12-01 17:28:27,700 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 73 [2018-12-01 17:28:27,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:27,700 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2018-12-01 17:28:27,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:28:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2018-12-01 17:28:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 17:28:27,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:28:27,701 INFO L402 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, 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] [2018-12-01 17:28:27,701 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:28:27,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:28:27,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1350114779, now seen corresponding path program 1 times [2018-12-01 17:28:27,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:28:27,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:28:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:28:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:28:27,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:28:27,773 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:28:27,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:28:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:28:27,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:28:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:28:27,969 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:28:27,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-01 17:28:27,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 17:28:27,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 17:28:27,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-01 17:28:27,970 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 12 states. [2018-12-01 17:28:28,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:28:28,265 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2018-12-01 17:28:28,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:28:28,265 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-12-01 17:28:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:28:28,265 INFO L225 Difference]: With dead ends: 227 [2018-12-01 17:28:28,265 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:28:28,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-01 17:28:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:28:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:28:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:28:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:28:28,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2018-12-01 17:28:28,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:28:28,267 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:28:28,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 17:28:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:28:28,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:28:28,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:28:29,017 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2018-12-01 17:28:29,017 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2018-12-01 17:28:29,017 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-01 17:28:29,017 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L444 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2018-12-01 17:28:29,018 INFO L451 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L451 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-12-01 17:28:29,019 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2018-12-01 17:28:29,019 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2018-12-01 17:28:29,020 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L451 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: true [2018-12-01 17:28:29,020 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2018-12-01 17:28:29,020 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,020 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point L416-2(lines 408 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,021 INFO L448 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2018-12-01 17:28:29,021 INFO L444 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L444 ceAbstractionStarter]: At program point L423(lines 378 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,022 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-01 17:28:29,022 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L451 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point L188(lines 187 206) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2018-12-01 17:28:29,023 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 17:28:29,024 INFO L444 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 17:28:29,024 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-01 17:28:29,024 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-01 17:28:29,024 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point L222-1(line 222) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,025 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,025 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-01 17:28:29,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 05:28:29 BoogieIcfgContainer [2018-12-01 17:28:29,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 17:28:29,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:28:29,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:28:29,033 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:28:29,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:26" (3/4) ... [2018-12-01 17:28:29,035 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 17:28:29,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 17:28:29,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:28:29,044 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-01 17:28:29,044 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 17:28:29,044 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 17:28:29,045 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 17:28:29,045 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:28:29,045 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:28:29,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-01 17:28:29,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-01 17:28:29,083 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6013cfe5-fe52-436e-abb1-14eb54d534a8/bin-2019/uautomizer/witness.graphml [2018-12-01 17:28:29,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:28:29,083 INFO L168 Benchmark]: Toolchain (without parser) took 3218.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 950.6 MB in the beginning and 975.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,084 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:28:29,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,084 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,085 INFO L168 Benchmark]: RCFGBuilder took 361.09 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. [2018-12-01 17:28:29,085 INFO L168 Benchmark]: TraceAbstraction took 2443.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 985.2 MB in the end (delta: 59.7 MB). Peak memory consumption was 209.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,085 INFO L168 Benchmark]: Witness Printer took 50.21 ms. Allocated memory is still 1.2 GB. Free memory was 985.2 MB in the beginning and 975.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:28:29,086 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.73 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 361.09 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 2443.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 985.2 MB in the end (delta: 59.7 MB). Peak memory consumption was 209.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.21 ms. Allocated memory is still 1.2 GB. Free memory was 985.2 MB in the beginning and 975.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 769 SDtfs, 583 SDslu, 1594 SDs, 0 SdLazy, 948 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 408 PreInvPairs, 423 NumberOfFragments, 939 HoareAnnotationTreeSize, 408 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1194 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 503 NumberOfCodeBlocks, 503 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 80494 SizeOfPredicates, 3 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 68/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...