./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_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_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/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 28eabf23056233d68b7e553ed7896542bdaad81b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:19:09,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:19:09,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:19:09,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:19:09,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:19:09,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:19:09,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:19:09,166 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:19:09,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:19:09,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:19:09,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:19:09,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:19:09,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:19:09,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:19:09,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:19:09,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:19:09,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:19:09,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:19:09,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:19:09,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:19:09,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:19:09,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:19:09,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:19:09,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:19:09,194 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:19:09,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:19:09,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:19:09,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:19:09,198 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:19:09,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:19:09,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:19:09,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:19:09,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:19:09,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:19:09,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:19:09,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:19:09,201 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:19:09,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:19:09,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:19:09,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:19:09,223 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:19:09,223 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:19:09,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:19:09,223 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:19:09,223 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:19:09,224 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:19:09,224 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:19:09,224 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:19:09,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:19:09,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:19:09,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:19:09,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:19:09,229 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:19:09,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:19:09,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:19:09,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:19:09,229 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:19:09,229 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:19:09,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:19:09,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:19:09,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:19:09,230 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_cc1a3201-2948-44a9-94a1-0f076e486d4a/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 -> 28eabf23056233d68b7e553ed7896542bdaad81b [2018-10-26 20:19:09,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:19:09,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:19:09,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:19:09,278 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:19:09,278 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:19:09,279 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-10-26 20:19:09,322 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/data/419a54cd8/bd66afd2ad604e3c908df467dbfb4086/FLAG65c7496e8 [2018-10-26 20:19:09,749 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:19:09,749 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-10-26 20:19:09,763 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/data/419a54cd8/bd66afd2ad604e3c908df467dbfb4086/FLAG65c7496e8 [2018-10-26 20:19:09,776 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/data/419a54cd8/bd66afd2ad604e3c908df467dbfb4086 [2018-10-26 20:19:09,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:19:09,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:19:09,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:19:09,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:19:09,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:19:09,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:19:09" (1/1) ... [2018-10-26 20:19:09,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d0f8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:09, skipping insertion in model container [2018-10-26 20:19:09,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:19:09" (1/1) ... [2018-10-26 20:19:09,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:19:09,846 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:19:10,062 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:19:10,071 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:19:10,132 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:19:10,157 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:19:10,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10 WrapperNode [2018-10-26 20:19:10,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:19:10,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:19:10,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:19:10,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:19:10,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:19:10,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:19:10,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:19:10,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:19:10,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... [2018-10-26 20:19:10,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:19:10,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:19:10,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:19:10,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:19:10,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/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 [2018-10-26 20:19:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 20:19:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 20:19:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:19:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:19:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 20:19:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 20:19:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 20:19:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 20:19:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 20:19:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 20:19:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:19:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:19:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 20:19:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 20:19:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 20:19:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 20:19:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 20:19:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 20:19:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:19:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:19:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:19:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:19:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 20:19:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 20:19:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:19:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:19:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 20:19:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 20:19:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 20:19:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 20:19:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:19:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:19:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:19:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:19:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:19:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:19:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 20:19:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 20:19:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 20:19:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 20:19:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:19:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:19:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:19:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:19:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:19:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:19:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:19:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:19:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 20:19:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 20:19:11,562 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:19:11,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:19:11 BoogieIcfgContainer [2018-10-26 20:19:11,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:19:11,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:19:11,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:19:11,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:19:11,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:19:09" (1/3) ... [2018-10-26 20:19:11,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e18b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:19:11, skipping insertion in model container [2018-10-26 20:19:11,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:19:10" (2/3) ... [2018-10-26 20:19:11,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e18b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:19:11, skipping insertion in model container [2018-10-26 20:19:11,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:19:11" (3/3) ... [2018-10-26 20:19:11,573 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-10-26 20:19:11,582 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:19:11,590 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:19:11,607 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:19:11,640 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:19:11,640 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:19:11,640 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:19:11,640 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:19:11,641 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:19:11,642 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:19:11,642 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:19:11,642 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:19:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-10-26 20:19:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:19:11,673 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:11,674 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] [2018-10-26 20:19:11,677 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:11,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:11,683 INFO L82 PathProgramCache]: Analyzing trace with hash -259464839, now seen corresponding path program 1 times [2018-10-26 20:19:11,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:11,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:11,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:11,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:11,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:19:12,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:12,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:19:12,026 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:12,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:19:12,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:19:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:19:12,051 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-10-26 20:19:12,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:12,100 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-10-26 20:19:12,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:19:12,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 20:19:12,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:12,120 INFO L225 Difference]: With dead ends: 228 [2018-10-26 20:19:12,121 INFO L226 Difference]: Without dead ends: 116 [2018-10-26 20:19:12,129 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 [2018-10-26 20:19:12,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-26 20:19:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-26 20:19:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-26 20:19:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2018-10-26 20:19:12,200 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 59 [2018-10-26 20:19:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:12,201 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2018-10-26 20:19:12,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:19:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2018-10-26 20:19:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:19:12,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:12,207 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] [2018-10-26 20:19:12,207 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:12,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:12,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1547134861, now seen corresponding path program 1 times [2018-10-26 20:19:12,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:12,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:12,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:12,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:12,210 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:12,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:19:12,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:12,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:19:12,431 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:12,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:19:12,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:19:12,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:19:12,441 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 3 states. [2018-10-26 20:19:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:12,472 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-10-26 20:19:12,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:19:12,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 20:19:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:12,475 INFO L225 Difference]: With dead ends: 175 [2018-10-26 20:19:12,475 INFO L226 Difference]: Without dead ends: 106 [2018-10-26 20:19:12,476 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 [2018-10-26 20:19:12,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-26 20:19:12,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-26 20:19:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 20:19:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-10-26 20:19:12,491 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 61 [2018-10-26 20:19:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:12,491 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-10-26 20:19:12,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:19:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-10-26 20:19:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:19:12,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:12,500 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] [2018-10-26 20:19:12,501 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:12,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:12,501 INFO L82 PathProgramCache]: Analyzing trace with hash -689630366, now seen corresponding path program 1 times [2018-10-26 20:19:12,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:12,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:12,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:12,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:12,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:19:12,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:12,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:19:12,745 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:12,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:19:12,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:19:12,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:19:12,746 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2018-10-26 20:19:13,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:13,687 INFO L93 Difference]: Finished difference Result 184 states and 217 transitions. [2018-10-26 20:19:13,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:19:13,689 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 20:19:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:13,690 INFO L225 Difference]: With dead ends: 184 [2018-10-26 20:19:13,690 INFO L226 Difference]: Without dead ends: 106 [2018-10-26 20:19:13,691 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:19:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-10-26 20:19:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-10-26 20:19:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 20:19:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2018-10-26 20:19:13,705 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 65 [2018-10-26 20:19:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:13,707 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2018-10-26 20:19:13,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:19:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2018-10-26 20:19:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 20:19:13,710 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:13,710 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, 1, 1] [2018-10-26 20:19:13,710 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:13,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:13,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1874337743, now seen corresponding path program 1 times [2018-10-26 20:19:13,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:13,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:13,712 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:19:14,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:14,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:19:14,368 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:14,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:19:14,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:19:14,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:19:14,370 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 7 states. [2018-10-26 20:19:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:15,786 INFO L93 Difference]: Finished difference Result 160 states and 189 transitions. [2018-10-26 20:19:15,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:19:15,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-10-26 20:19:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:15,788 INFO L225 Difference]: With dead ends: 160 [2018-10-26 20:19:15,788 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:19:15,789 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:19:15,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:19:15,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:19:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:19:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:19:15,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-10-26 20:19:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:15,790 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:19:15,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:19:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:19:15,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:19:15,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:19:16,163 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:19:16,430 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:19:16,791 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:19:17,371 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:19:17,837 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 20:19:18,226 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-10-26 20:19:18,226 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-10-26 20:19:18,226 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 894 901) the Hoare annotation is: true [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 894 901) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 894 901) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 902 911) the Hoare annotation is: true [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 902 911) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 902 911) no Hoare annotation was computed. [2018-10-26 20:19:18,227 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,227 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 931) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point L924(lines 924 934) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L428 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 937) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 912 940) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L428 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 912 940) the Hoare annotation is: true [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 912 940) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 413 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 413 435) no Hoare annotation was computed. [2018-10-26 20:19:18,228 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 413 435) no Hoare annotation was computed. [2018-10-26 20:19:18,229 INFO L421 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-10-26 20:19:18,229 INFO L421 ceAbstractionStarter]: At program point L425-1(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-10-26 20:19:18,229 INFO L425 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2018-10-26 20:19:18,229 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 423 430) no Hoare annotation was computed. [2018-10-26 20:19:18,229 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-26 20:19:18,229 INFO L421 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,229 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,229 INFO L421 ceAbstractionStarter]: At program point L419-1(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,229 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 206 214) no Hoare annotation was computed. [2018-10-26 20:19:18,229 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 206 214) the Hoare annotation is: true [2018-10-26 20:19:18,229 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 206 214) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 251 269) the Hoare annotation is: true [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 251 269) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 264) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L428 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point L260-2(lines 260 264) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 251 269) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-10-26 20:19:18,230 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 402 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,230 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 402 412) no Hoare annotation was computed. [2018-10-26 20:19:18,230 INFO L421 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 402 412) no Hoare annotation was computed. [2018-10-26 20:19:18,231 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 187 194) the Hoare annotation is: true [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2018-10-26 20:19:18,231 INFO L421 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 136 160) no Hoare annotation was computed. [2018-10-26 20:19:18,231 INFO L421 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,231 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 136 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,231 INFO L421 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,231 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 157) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 274 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,232 INFO L421 ceAbstractionStarter]: At program point L320-2(lines 314 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point L285(lines 284 329) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 325) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 274 337) no Hoare annotation was computed. [2018-10-26 20:19:18,232 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L304-1(lines 304 310) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L421 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,233 INFO L421 ceAbstractionStarter]: At program point L327(lines 284 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 300) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L294-1(lines 294 300) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point L284-1(lines 284 329) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L421 ceAbstractionStarter]: At program point L330(lines 283 331) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 274 337) no Hoare annotation was computed. [2018-10-26 20:19:18,233 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 517 525) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 517 525) the Hoare annotation is: true [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 517 525) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 508 516) the Hoare annotation is: true [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 508 516) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 508 516) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 464 475) the Hoare annotation is: true [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 464 475) no Hoare annotation was computed. [2018-10-26 20:19:18,234 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-10-26 20:19:18,235 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,235 INFO L421 ceAbstractionStarter]: At program point L115(lines 115 121) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,235 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,235 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 20:19:18,235 INFO L425 ceAbstractionStarter]: For program point L108(lines 104 126) no Hoare annotation was computed. [2018-10-26 20:19:18,235 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 127) no Hoare annotation was computed. [2018-10-26 20:19:18,235 INFO L425 ceAbstractionStarter]: For program point L106(lines 104 126) no Hoare annotation was computed. [2018-10-26 20:19:18,235 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 127) no Hoare annotation was computed. [2018-10-26 20:19:18,235 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 340 369) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L425 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 358) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point L354-1(lines 354 358) the Hoare annotation is: true [2018-10-26 20:19:18,236 INFO L425 ceAbstractionStarter]: For program point L350-1(lines 350 364) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 340 369) the Hoare annotation is: true [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point L350-3(lines 350 364) the Hoare annotation is: true [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-10-26 20:19:18,236 INFO L425 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point L365(lines 340 369) the Hoare annotation is: true [2018-10-26 20:19:18,236 INFO L425 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2018-10-26 20:19:18,236 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 440 451) the Hoare annotation is: true [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 20:19:18,237 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 394 400) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 394 400) the Hoare annotation is: true [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 452 463) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-10-26 20:19:18,237 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 452 463) the Hoare annotation is: true [2018-10-26 20:19:18,238 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-10-26 20:19:18,238 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-10-26 20:19:18,238 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-10-26 20:19:18,238 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-10-26 20:19:18,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:19:18 BoogieIcfgContainer [2018-10-26 20:19:18,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:19:18,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:19:18,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:19:18,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:19:18,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:19:11" (3/4) ... [2018-10-26 20:19:18,252 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:19:18,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 20:19:18,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 20:19:18,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 20:19:18,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 20:19:18,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 20:19:18,259 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 20:19:18,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:19:18,260 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 20:19:18,273 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 20:19:18,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 20:19:18,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 20:19:18,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-10-26 20:19:18,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-10-26 20:19:18,357 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc1a3201-2948-44a9-94a1-0f076e486d4a/bin-2019/utaipan/witness.graphml [2018-10-26 20:19:18,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:19:18,358 INFO L168 Benchmark]: Toolchain (without parser) took 8578.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -77.9 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,358 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:19:18,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.59 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,359 INFO L168 Benchmark]: Boogie Preprocessor took 64.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,359 INFO L168 Benchmark]: RCFGBuilder took 1195.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,359 INFO L168 Benchmark]: TraceAbstraction took 6683.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:19:18,360 INFO L168 Benchmark]: Witness Printer took 108.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:18,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.59 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 144.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1195.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6683.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 108.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 82]: 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: 283]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 454 SDtfs, 264 SDslu, 477 SDs, 0 SdLazy, 279 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 27660 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...