./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product19_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_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/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 9c314d63250cd17d6a50b1f2df9a5a3ff1e733f7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:25:09,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:25:09,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:25:09,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:25:09,881 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:25:09,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:25:09,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:25:09,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:25:09,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:25:09,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:25:09,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:25:09,888 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:25:09,889 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:25:09,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:25:09,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:25:09,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:25:09,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:25:09,896 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:25:09,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:25:09,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:25:09,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:25:09,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:25:09,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:25:09,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:25:09,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:25:09,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:25:09,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:25:09,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:25:09,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:25:09,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:25:09,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:25:09,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:25:09,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:25:09,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:25:09,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:25:09,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:25:09,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:25:09,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:25:09,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:25:09,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:25:09,922 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:25:09,922 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:25:09,922 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:25:09,922 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:25:09,922 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:25:09,922 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:25:09,923 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:25:09,923 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:25:09,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:25:09,923 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:25:09,924 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:25:09,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:25:09,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:25:09,925 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:25:09,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:25:09,925 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:25:09,925 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:25:09,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:25:09,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:25:09,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:25:09,926 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:25:09,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:25:09,926 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:25:09,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:25:09,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:25:09,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:25:09,927 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_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/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 -> 9c314d63250cd17d6a50b1f2df9a5a3ff1e733f7 [2018-10-26 22:25:09,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:25:09,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:25:09,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:25:09,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:25:09,969 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:25:09,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-10-26 22:25:10,023 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/data/2cc63def9/4980f53e183c4f21b79a714bb0f645d3/FLAGa9e38ca6a [2018-10-26 22:25:10,466 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:25:10,467 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-10-26 22:25:10,483 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/data/2cc63def9/4980f53e183c4f21b79a714bb0f645d3/FLAGa9e38ca6a [2018-10-26 22:25:10,495 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/data/2cc63def9/4980f53e183c4f21b79a714bb0f645d3 [2018-10-26 22:25:10,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:25:10,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:25:10,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:25:10,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:25:10,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:25:10,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:10,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584914b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10, skipping insertion in model container [2018-10-26 22:25:10,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:10,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:25:10,554 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:25:10,852 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:25:10,870 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:25:10,955 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:25:10,977 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:25:10,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10 WrapperNode [2018-10-26 22:25:10,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:25:10,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:25:10,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:25:10,980 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:25:10,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:25:11,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:25:11,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:25:11,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:25:11,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... [2018-10-26 22:25:11,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:25:11,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:25:11,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:25:11,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:25:11,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/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 22:25:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:25:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:25:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:25:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:25:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 22:25:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 22:25:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 22:25:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 22:25:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:25:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:25:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:25:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:25:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:25:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:25:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:25:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:25:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 22:25:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 22:25:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:25:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:25:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:25:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:25:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:25:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:25:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:25:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:25:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:25:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:25:11,207 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:25:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:25:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:25:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:25:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:25:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:25:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:25:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:25:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:25:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:25:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:25:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:25:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:25:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:25:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:25:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:25:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:25:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:25:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:25:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:25:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:25:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:25:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:25:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:25:12,128 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:25:12,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:25:12 BoogieIcfgContainer [2018-10-26 22:25:12,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:25:12,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:25:12,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:25:12,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:25:12,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:25:10" (1/3) ... [2018-10-26 22:25:12,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db8deb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:25:12, skipping insertion in model container [2018-10-26 22:25:12,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:25:10" (2/3) ... [2018-10-26 22:25:12,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db8deb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:25:12, skipping insertion in model container [2018-10-26 22:25:12,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:25:12" (3/3) ... [2018-10-26 22:25:12,136 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-10-26 22:25:12,145 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:25:12,151 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:25:12,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:25:12,186 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:25:12,186 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:25:12,186 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:25:12,186 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:25:12,186 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:25:12,187 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:25:12,187 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:25:12,187 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:25:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-10-26 22:25:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 22:25:12,212 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:25:12,213 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 22:25:12,216 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:25:12,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:25:12,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1823563655, now seen corresponding path program 1 times [2018-10-26 22:25:12,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:25:12,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:25:12,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,262 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:25:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:25:12,539 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 22:25:12,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:25:12,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:25:12,542 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:25:12,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:25:12,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:25:12,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:25:12,562 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-10-26 22:25:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:25:12,597 INFO L93 Difference]: Finished difference Result 240 states and 299 transitions. [2018-10-26 22:25:12,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:25:12,598 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-10-26 22:25:12,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:25:12,609 INFO L225 Difference]: With dead ends: 240 [2018-10-26 22:25:12,609 INFO L226 Difference]: Without dead ends: 122 [2018-10-26 22:25:12,615 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 22:25:12,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-26 22:25:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-10-26 22:25:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-10-26 22:25:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-10-26 22:25:12,661 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 59 [2018-10-26 22:25:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:25:12,661 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-10-26 22:25:12,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:25:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-10-26 22:25:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:25:12,665 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:25:12,665 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 22:25:12,666 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:25:12,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:25:12,667 INFO L82 PathProgramCache]: Analyzing trace with hash -336116846, now seen corresponding path program 1 times [2018-10-26 22:25:12,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:25:12,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:25:12,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,668 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:25:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:25:12,822 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 22:25:12,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:25:12,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:25:12,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:25:12,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:25:12,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:25:12,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:25:12,827 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2018-10-26 22:25:12,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:25:12,862 INFO L93 Difference]: Finished difference Result 181 states and 211 transitions. [2018-10-26 22:25:12,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:25:12,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-10-26 22:25:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:25:12,865 INFO L225 Difference]: With dead ends: 181 [2018-10-26 22:25:12,865 INFO L226 Difference]: Without dead ends: 112 [2018-10-26 22:25:12,866 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 22:25:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-26 22:25:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-26 22:25:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-26 22:25:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-10-26 22:25:12,881 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 61 [2018-10-26 22:25:12,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:25:12,882 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-10-26 22:25:12,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:25:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-10-26 22:25:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:25:12,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:25:12,891 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 22:25:12,891 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:25:12,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:25:12,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1991975077, now seen corresponding path program 1 times [2018-10-26 22:25:12,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:25:12,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:25:12,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:12,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:25:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:25:13,134 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 22:25:13,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:25:13,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:25:13,134 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:25:13,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:25:13,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:25:13,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:25:13,136 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 7 states. [2018-10-26 22:25:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:25:13,998 INFO L93 Difference]: Finished difference Result 337 states and 409 transitions. [2018-10-26 22:25:13,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:25:13,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 22:25:13,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:25:14,002 INFO L225 Difference]: With dead ends: 337 [2018-10-26 22:25:14,002 INFO L226 Difference]: Without dead ends: 253 [2018-10-26 22:25:14,003 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 22:25:14,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-10-26 22:25:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 245. [2018-10-26 22:25:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-10-26 22:25:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 297 transitions. [2018-10-26 22:25:14,030 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 297 transitions. Word has length 65 [2018-10-26 22:25:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:25:14,031 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 297 transitions. [2018-10-26 22:25:14,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:25:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 297 transitions. [2018-10-26 22:25:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 22:25:14,033 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:25:14,033 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] [2018-10-26 22:25:14,033 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:25:14,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:25:14,035 INFO L82 PathProgramCache]: Analyzing trace with hash -971576614, now seen corresponding path program 1 times [2018-10-26 22:25:14,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:25:14,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:14,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:25:14,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:25:14,036 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:25:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:25:14,549 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 22:25:14,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:25:14,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:25:14,554 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:25:14,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:25:14,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:25:14,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:25:14,555 INFO L87 Difference]: Start difference. First operand 245 states and 297 transitions. Second operand 7 states. [2018-10-26 22:25:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:25:15,432 INFO L93 Difference]: Finished difference Result 408 states and 511 transitions. [2018-10-26 22:25:15,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:25:15,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-10-26 22:25:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:25:15,434 INFO L225 Difference]: With dead ends: 408 [2018-10-26 22:25:15,434 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:25:15,436 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:25:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:25:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:25:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:25:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:25:15,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-10-26 22:25:15,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:25:15,437 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:25:15,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:25:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:25:15,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:25:15,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:25:16,043 WARN L179 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-10-26 22:25:16,167 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2018-10-26 22:25:16,639 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-10-26 22:25:16,863 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 778 784) the Hoare annotation is: true [2018-10-26 22:25:16,863 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 778 784) no Hoare annotation was computed. [2018-10-26 22:25:16,863 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 785 793) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 785 793) the Hoare annotation is: true [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 785 793) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 796 803) the Hoare annotation is: true [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 796 803) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 796 803) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 804 813) the Hoare annotation is: true [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 804 813) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 804 813) no Hoare annotation was computed. [2018-10-26 22:25:16,864 INFO L421 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L827(lines 827 833) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L826(lines 826 836) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L428 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 839) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L822-1(lines 814 842) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L428 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 814 842) the Hoare annotation is: true [2018-10-26 22:25:16,865 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 814 842) no Hoare annotation was computed. [2018-10-26 22:25:16,865 INFO L421 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1))) [2018-10-26 22:25:16,866 INFO L421 ceAbstractionStarter]: At program point L929-1(line 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1))) [2018-10-26 22:25:16,866 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2018-10-26 22:25:16,866 INFO L425 ceAbstractionStarter]: For program point L927-1(lines 927 934) no Hoare annotation was computed. [2018-10-26 22:25:16,866 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 917 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,866 INFO L425 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2018-10-26 22:25:16,866 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,866 INFO L421 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,866 INFO L421 ceAbstractionStarter]: At program point L923-1(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 917 939) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 917 939) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 276 290) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L421 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 276 290) 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))))) [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 276 290) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2018-10-26 22:25:16,867 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2018-10-26 22:25:16,868 INFO L428 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2018-10-26 22:25:16,868 INFO L425 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L425 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 771 777) no Hoare annotation was computed. [2018-10-26 22:25:16,868 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 771 777) the Hoare annotation is: true [2018-10-26 22:25:16,868 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 906 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,869 INFO L421 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 906 916) no Hoare annotation was computed. [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 906 916) no Hoare annotation was computed. [2018-10-26 22:25:16,869 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2018-10-26 22:25:16,869 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 22:25:16,869 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-10-26 22:25:16,869 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-10-26 22:25:16,874 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 22:25:16,874 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 22:25:16,874 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-10-26 22:25:16,874 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-10-26 22:25:16,874 INFO L425 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-10-26 22:25:16,874 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-10-26 22:25:16,874 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-10-26 22:25:16,874 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-10-26 22:25:16,874 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,875 INFO L421 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L421 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-10-26 22:25:16,875 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:25:16,875 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 747 755) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 747 755) the Hoare annotation is: true [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 747 755) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 22:25:16,876 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:25:16,876 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 738 746) the Hoare annotation is: true [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 738 746) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 738 746) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 694 705) the Hoare annotation is: true [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 694 705) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 694 705) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 22:25:16,877 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-10-26 22:25:16,877 INFO L421 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2018-10-26 22:25:16,877 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-10-26 22:25:16,877 INFO L425 ceAbstractionStarter]: For program point L132(lines 128 150) no Hoare annotation was computed. [2018-10-26 22:25:16,880 INFO L425 ceAbstractionStarter]: For program point L130(lines 128 150) no Hoare annotation was computed. [2018-10-26 22:25:16,880 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2018-10-26 22:25:16,880 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2018-10-26 22:25:16,880 INFO L428 ceAbstractionStarter]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2018-10-26 22:25:16,880 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 869) no Hoare annotation was computed. [2018-10-26 22:25:16,880 INFO L428 ceAbstractionStarter]: At program point L855-3(lines 855 869) the Hoare annotation is: true [2018-10-26 22:25:16,880 INFO L428 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L428 ceAbstractionStarter]: At program point L870(lines 845 874) the Hoare annotation is: true [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: true [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 670 681) the Hoare annotation is: true [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 670 681) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 22:25:16,881 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:25:16,881 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 899 905) no Hoare annotation was computed. [2018-10-26 22:25:16,882 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 899 905) the Hoare annotation is: true [2018-10-26 22:25:16,882 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 682 693) no Hoare annotation was computed. [2018-10-26 22:25:16,882 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-10-26 22:25:16,882 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 682 693) the Hoare annotation is: true [2018-10-26 22:25:16,882 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 292 299) no Hoare annotation was computed. [2018-10-26 22:25:16,882 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2018-10-26 22:25:16,882 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 292 299) the Hoare annotation is: true [2018-10-26 22:25:16,882 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 292 299) no Hoare annotation was computed. [2018-10-26 22:25:16,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:25:16 BoogieIcfgContainer [2018-10-26 22:25:16,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:25:16,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:25:16,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:25:16,899 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:25:16,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:25:12" (3/4) ... [2018-10-26 22:25:16,903 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-10-26 22:25:16,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:25:16,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 22:25:16,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:25:16,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 22:25:16,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 22:25:16,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:25:16,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:25:16,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:25:16,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:25:16,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:25:16,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:25:16,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:25:16,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:25:16,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:25:16,936 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-10-26 22:25:16,936 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:25:16,937 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:25:16,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-10-26 22:25:16,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-10-26 22:25:17,010 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce1450ed-bee5-4bf7-8c42-6abbd02dbc57/bin-2019/utaipan/witness.graphml [2018-10-26 22:25:17,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:25:17,011 INFO L168 Benchmark]: Toolchain (without parser) took 6512.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 958.6 MB in the beginning and 1.0 GB in the end (delta: -56.6 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,011 INFO L168 Benchmark]: CDTParser took 0.19 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 22:25:17,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -223.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,012 INFO L168 Benchmark]: Boogie Preprocessor took 35.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,012 INFO L168 Benchmark]: RCFGBuilder took 998.38 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,013 INFO L168 Benchmark]: TraceAbstraction took 4769.22 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,013 INFO L168 Benchmark]: Witness Printer took 111.37 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:25:17,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 479.21 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 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 114.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -223.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 998.38 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: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4769.22 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Witness Printer took 111.37 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 296]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 135 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 303 SDslu, 818 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s 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, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s 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...