./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a86e2c2f9844e6977fd90934a9b91c076ab32f2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:50:20,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:50:20,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:50:20,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:50:20,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:50:20,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:50:20,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:50:20,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:50:20,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:50:20,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:50:20,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:50:20,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:50:20,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:50:20,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:50:20,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:50:20,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:50:20,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:50:20,134 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:50:20,136 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:50:20,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:50:20,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:50:20,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:50:20,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:50:20,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:50:20,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:50:20,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:50:20,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:50:20,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:50:20,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:50:20,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:50:20,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:50:20,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:50:20,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:50:20,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:50:20,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:50:20,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:50:20,146 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:50:20,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:50:20,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:50:20,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:50:20,158 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:50:20,158 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:50:20,159 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:50:20,159 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:50:20,159 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:50:20,159 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:50:20,160 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:50:20,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:50:20,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:50:20,161 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:50:20,161 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:50:20,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:50:20,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:50:20,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:50:20,162 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a86e2c2f9844e6977fd90934a9b91c076ab32f2 [2018-11-10 12:50:20,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:50:20,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:50:20,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:50:20,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:50:20,200 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:50:20,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-10 12:50:20,238 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/data/18bf083da/9045565a3e54447eab1bec1d7232fec7/FLAG7735b3d57 [2018-11-10 12:50:20,682 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:50:20,682 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-10 12:50:20,691 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/data/18bf083da/9045565a3e54447eab1bec1d7232fec7/FLAG7735b3d57 [2018-11-10 12:50:20,700 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/data/18bf083da/9045565a3e54447eab1bec1d7232fec7 [2018-11-10 12:50:20,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:50:20,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:50:20,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:50:20,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:50:20,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:50:20,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:50:20" (1/1) ... [2018-11-10 12:50:20,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:20, skipping insertion in model container [2018-11-10 12:50:20,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:50:20" (1/1) ... [2018-11-10 12:50:20,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:50:20,747 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:50:20,938 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:50:20,946 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:50:21,004 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:50:21,022 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:50:21,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21 WrapperNode [2018-11-10 12:50:21,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:50:21,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:50:21,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:50:21,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:50:21,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:50:21,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:50:21,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:50:21,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:50:21,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... [2018-11-10 12:50:21,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:50:21,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:50:21,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:50:21,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:50:21,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:50:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:50:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:50:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:50:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:50:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 12:50:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 12:50:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 12:50:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 12:50:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:50:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:50:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:50:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:50:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:50:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:50:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:50:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:50:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 12:50:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 12:50:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 12:50:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 12:50:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:50:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:50:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:50:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:50:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:50:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:50:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:50:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:50:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:50:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:50:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:50:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:50:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-10 12:50:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-10 12:50:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-10 12:50:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-10 12:50:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-10 12:50:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-10 12:50:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:50:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:50:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:50:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:50:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:50:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:50:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:50:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:50:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:50:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:50:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:50:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:50:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:50:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:50:21,651 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:50:21,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:50:21 BoogieIcfgContainer [2018-11-10 12:50:21,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:50:21,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:50:21,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:50:21,654 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:50:21,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:50:20" (1/3) ... [2018-11-10 12:50:21,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744083ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:50:21, skipping insertion in model container [2018-11-10 12:50:21,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:50:21" (2/3) ... [2018-11-10 12:50:21,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744083ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:50:21, skipping insertion in model container [2018-11-10 12:50:21,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:50:21" (3/3) ... [2018-11-10 12:50:21,656 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-10 12:50:21,662 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:50:21,667 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:50:21,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:50:21,707 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:50:21,707 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:50:21,707 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:50:21,707 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:50:21,707 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:50:21,707 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:50:21,707 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:50:21,707 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:50:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-11-10 12:50:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:50:21,728 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:50:21,729 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:50:21,731 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:50:21,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:50:21,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2126088684, now seen corresponding path program 1 times [2018-11-10 12:50:21,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:50:21,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:21,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:50:21,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:21,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:50:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:50:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:50:21,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:50:21,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:50:21,945 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:50:21,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:50:21,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:50:21,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:50:21,963 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-11-10 12:50:21,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:50:21,989 INFO L93 Difference]: Finished difference Result 240 states and 299 transitions. [2018-11-10 12:50:21,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:50:21,991 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-10 12:50:21,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:50:21,999 INFO L225 Difference]: With dead ends: 240 [2018-11-10 12:50:21,999 INFO L226 Difference]: Without dead ends: 122 [2018-11-10 12:50:22,001 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:50:22,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-10 12:50:22,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-10 12:50:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-10 12:50:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-11-10 12:50:22,037 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 59 [2018-11-10 12:50:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:50:22,037 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-11-10 12:50:22,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:50:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-11-10 12:50:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 12:50:22,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:50:22,040 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:50:22,041 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:50:22,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:50:22,041 INFO L82 PathProgramCache]: Analyzing trace with hash -638641875, now seen corresponding path program 1 times [2018-11-10 12:50:22,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:50:22,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:50:22,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,043 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:50:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:50:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:50:22,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:50:22,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:50:22,126 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:50:22,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:50:22,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:50:22,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:50:22,128 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2018-11-10 12:50:22,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:50:22,146 INFO L93 Difference]: Finished difference Result 181 states and 211 transitions. [2018-11-10 12:50:22,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:50:22,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-10 12:50:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:50:22,149 INFO L225 Difference]: With dead ends: 181 [2018-11-10 12:50:22,149 INFO L226 Difference]: Without dead ends: 112 [2018-11-10 12:50:22,150 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:50:22,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-10 12:50:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-10 12:50:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-10 12:50:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-11-10 12:50:22,161 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 61 [2018-11-10 12:50:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:50:22,162 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-11-10 12:50:22,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:50:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-11-10 12:50:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:50:22,164 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:50:22,164 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:50:22,164 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:50:22,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:50:22,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1450615351, now seen corresponding path program 1 times [2018-11-10 12:50:22,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:50:22,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:50:22,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,166 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:50:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:50:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 12:50:22,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:50:22,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:50:22,319 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:50:22,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:50:22,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:50:22,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:50:22,320 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 7 states. [2018-11-10 12:50:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:50:22,710 INFO L93 Difference]: Finished difference Result 337 states and 409 transitions. [2018-11-10 12:50:22,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:50:22,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-10 12:50:22,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:50:22,713 INFO L225 Difference]: With dead ends: 337 [2018-11-10 12:50:22,714 INFO L226 Difference]: Without dead ends: 253 [2018-11-10 12:50:22,715 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:50:22,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-10 12:50:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 245. [2018-11-10 12:50:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-10 12:50:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 297 transitions. [2018-11-10 12:50:22,744 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 297 transitions. Word has length 65 [2018-11-10 12:50:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:50:22,745 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 297 transitions. [2018-11-10 12:50:22,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:50:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 297 transitions. [2018-11-10 12:50:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:50:22,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:50:22,748 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:50:22,748 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:50:22,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:50:22,748 INFO L82 PathProgramCache]: Analyzing trace with hash -119199746, now seen corresponding path program 1 times [2018-11-10 12:50:22,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:50:22,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:50:22,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:50:22,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:50:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:50:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:50:22,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:50:22,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 12:50:22,858 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:50:22,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:50:22,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:50:22,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:50:22,859 INFO L87 Difference]: Start difference. First operand 245 states and 297 transitions. Second operand 7 states. [2018-11-10 12:50:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:50:23,110 INFO L93 Difference]: Finished difference Result 408 states and 511 transitions. [2018-11-10 12:50:23,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:50:23,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-10 12:50:23,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:50:23,112 INFO L225 Difference]: With dead ends: 408 [2018-11-10 12:50:23,112 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:50:23,114 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:50:23,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:50:23,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:50:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:50:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:50:23,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-10 12:50:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:50:23,115 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:50:23,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:50:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:50:23,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:50:23,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:50:23,669 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 12:50:23,669 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 12:50:23,669 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 12:50:23,669 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 82 89) the Hoare annotation is: true [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 82 89) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 90 99) the Hoare annotation is: true [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 90 99) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 90 99) no Hoare annotation was computed. [2018-11-10 12:50:23,670 INFO L421 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 12:50:23,670 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 100 128) the Hoare annotation is: true [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 122) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L428 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point L110-1(line 110) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 125) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 100 128) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 100 128) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L428 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true [2018-11-10 12:50:23,671 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-10 12:50:23,671 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 676 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,672 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 676 698) no Hoare annotation was computed. [2018-11-10 12:50:23,672 INFO L421 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 12:50:23,674 INFO L421 ceAbstractionStarter]: At program point L688-1(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 12:50:23,674 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 693) no Hoare annotation was computed. [2018-11-10 12:50:23,675 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 686 693) no Hoare annotation was computed. [2018-11-10 12:50:23,675 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 676 698) no Hoare annotation was computed. [2018-11-10 12:50:23,675 INFO L425 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2018-11-10 12:50:23,675 INFO L421 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,675 INFO L421 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,675 INFO L421 ceAbstractionStarter]: At program point L682-1(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,675 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 942 956) no Hoare annotation was computed. [2018-11-10 12:50:23,675 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 942 956) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-10 12:50:23,675 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 942 956) no Hoare annotation was computed. [2018-11-10 12:50:23,678 INFO L421 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 12:50:23,678 INFO L425 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2018-11-10 12:50:23,678 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 878 886) no Hoare annotation was computed. [2018-11-10 12:50:23,678 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 878 886) the Hoare annotation is: true [2018-11-10 12:50:23,678 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 878 886) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 923 941) the Hoare annotation is: true [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 923 941) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 936) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L428 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point L932-2(lines 932 936) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 923 941) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 12:50:23,679 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 12:50:23,679 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 665 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,679 INFO L421 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,679 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 665 675) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 665 675) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 859 866) the Hoare annotation is: true [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 859 866) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 859 866) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:50:23,680 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-10 12:50:23,680 INFO L421 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:50:23,680 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2018-11-10 12:50:23,680 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2018-11-10 12:50:23,681 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,681 INFO L421 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2018-11-10 12:50:23,681 INFO L421 ceAbstractionStarter]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 12:50:23,681 INFO L421 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L711-1(lines 711 758) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L421 ceAbstractionStarter]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 12:50:23,682 INFO L421 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 753) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L421 ceAbstractionStarter]: At program point L747-1(lines 741 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L712(lines 711 758) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 754) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2018-11-10 12:50:23,682 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 581 589) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 581 589) the Hoare annotation is: true [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 581 589) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 572 580) the Hoare annotation is: true [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 572 580) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 572 580) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 528 539) the Hoare annotation is: true [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 528 539) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 528 539) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 602 631) no Hoare annotation was computed. [2018-11-10 12:50:23,683 INFO L425 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2018-11-10 12:50:23,684 INFO L428 ceAbstractionStarter]: At program point L616-1(lines 616 620) the Hoare annotation is: true [2018-11-10 12:50:23,684 INFO L425 ceAbstractionStarter]: For program point L612-1(lines 612 626) no Hoare annotation was computed. [2018-11-10 12:50:23,684 INFO L428 ceAbstractionStarter]: At program point L612-3(lines 612 626) the Hoare annotation is: true [2018-11-10 12:50:23,684 INFO L428 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2018-11-10 12:50:23,684 INFO L425 ceAbstractionStarter]: For program point L608-1(line 608) no Hoare annotation was computed. [2018-11-10 12:50:23,688 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 602 631) the Hoare annotation is: true [2018-11-10 12:50:23,688 INFO L428 ceAbstractionStarter]: At program point L627(lines 602 631) the Hoare annotation is: true [2018-11-10 12:50:23,688 INFO L425 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2018-11-10 12:50:23,688 INFO L425 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L421 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-10 12:50:23,689 INFO L421 ceAbstractionStarter]: At program point L787(lines 787 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 12:50:23,689 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 773 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 12:50:23,689 INFO L421 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point L780(lines 776 798) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 773 799) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point L778(lines 776 798) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 773 799) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 504 515) the Hoare annotation is: true [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-11-10 12:50:23,689 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 504 515) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 12:50:23,690 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 657 663) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 657 663) the Hoare annotation is: true [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 516 527) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 516 527) the Hoare annotation is: true [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-10 12:50:23,690 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-10 12:50:23,691 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-10 12:50:23,691 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-10 12:50:23,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:50:23 BoogieIcfgContainer [2018-11-10 12:50:23,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:50:23,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:50:23,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:50:23,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:50:23,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:50:21" (3/4) ... [2018-11-10 12:50:23,707 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 12:50:23,712 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:50:23,713 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:50:23,714 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:50:23,714 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:50:23,714 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:50:23,722 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-11-10 12:50:23,723 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:50:23,723 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:50:23,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-10 12:50:23,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-10 12:50:23,782 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d89fe48-3b14-4dd4-b812-b7916b7846a4/bin-2019/utaipan/witness.graphml [2018-11-10 12:50:23,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:50:23,783 INFO L168 Benchmark]: Toolchain (without parser) took 3080.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.6 MB). Free memory was 954.8 MB in the beginning and 1.2 GB in the end (delta: -207.2 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,784 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:50:23,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.09 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 925.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 925.3 MB in the beginning and 1.2 GB in the end (delta: -252.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,785 INFO L168 Benchmark]: Boogie Preprocessor took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,785 INFO L168 Benchmark]: RCFGBuilder took 478.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,785 INFO L168 Benchmark]: TraceAbstraction took 2051.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.1 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,785 INFO L168 Benchmark]: Witness Printer took 79.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:50:23,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.09 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 925.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 925.3 MB in the beginning and 1.2 GB in the end (delta: -252.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2051.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.1 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. * Witness Printer took 79.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 135 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 303 SDslu, 818 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 27204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...