./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/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 eb6e4ceec74f15825c9a118863d143932b257258 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:48:20,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:48:20,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:48:20,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:48:20,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:48:20,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:48:20,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:48:20,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:48:20,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:48:20,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:48:20,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:48:20,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:48:20,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:48:20,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:48:20,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:48:20,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:48:20,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:48:20,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:48:20,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:48:20,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:48:20,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:48:20,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:48:20,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:48:20,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:48:20,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:48:20,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:48:20,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:48:20,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:48:20,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:48:20,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:48:20,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:48:20,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:48:20,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:48:20,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:48:20,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:48:20,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:48:20,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:48:20,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:48:20,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:48:20,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:48:20,149 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:48:20,149 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:48:20,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:48:20,149 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:48:20,149 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:48:20,149 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:48:20,150 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:48:20,150 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:48:20,150 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:48:20,150 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:48:20,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:48:20,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:48:20,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:48:20,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:48:20,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:48:20,153 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:48:20,153 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_680d448a-f534-49d3-b547-9cc73c0e614c/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 -> eb6e4ceec74f15825c9a118863d143932b257258 [2018-12-09 10:48:20,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:48:20,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:48:20,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:48:20,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:48:20,184 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:48:20,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-12-09 10:48:20,223 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/data/6071fad46/2eaddc580a3e46bc8d217d149c92ab3b/FLAGd05e74483 [2018-12-09 10:48:20,662 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:48:20,662 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-12-09 10:48:20,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/data/6071fad46/2eaddc580a3e46bc8d217d149c92ab3b/FLAGd05e74483 [2018-12-09 10:48:20,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/data/6071fad46/2eaddc580a3e46bc8d217d149c92ab3b [2018-12-09 10:48:20,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:48:20,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:48:20,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:48:20,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:48:20,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:48:20,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20, skipping insertion in model container [2018-12-09 10:48:20,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:48:20,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:48:20,848 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:48:20,896 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:48:20,936 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:48:20,950 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:48:20,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20 WrapperNode [2018-12-09 10:48:20,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:48:20,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:48:20,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:48:20,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:48:20,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:48:20,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:48:20,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:48:20,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:48:20,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... [2018-12-09 10:48:20,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:48:20,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:48:20,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:48:20,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:48:20,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/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 [2018-12-09 10:48:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:48:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:48:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:48:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:48:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 10:48:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 10:48:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:48:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:48:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:48:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 10:48:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:48:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:48:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:48:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:48:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:48:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:48:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 10:48:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 10:48:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:48:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:48:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:48:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:48:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:48:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:48:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 10:48:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 10:48:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 10:48:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 10:48:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 10:48:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 10:48:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:48:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:48:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:48:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:48:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:48:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:48:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:48:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:48:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:48:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:48:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:48:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:48:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:48:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:48:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:48:21,321 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:48:21,321 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:48:21,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:21 BoogieIcfgContainer [2018-12-09 10:48:21,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:48:21,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:48:21,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:48:21,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:48:21,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:48:20" (1/3) ... [2018-12-09 10:48:21,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea928ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:48:21, skipping insertion in model container [2018-12-09 10:48:21,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:20" (2/3) ... [2018-12-09 10:48:21,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea928ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:48:21, skipping insertion in model container [2018-12-09 10:48:21,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:21" (3/3) ... [2018-12-09 10:48:21,326 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-12-09 10:48:21,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:48:21,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:48:21,346 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:48:21,365 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:48:21,365 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:48:21,365 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:48:21,366 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:48:21,366 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:48:21,366 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:48:21,366 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:48:21,366 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:48:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-09 10:48:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 10:48:21,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:21,383 INFO L402 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] [2018-12-09 10:48:21,384 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:21,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:21,387 INFO L82 PathProgramCache]: Analyzing trace with hash 88425357, now seen corresponding path program 1 times [2018-12-09 10:48:21,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:48:21,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:21,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:48:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:48:21,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:21,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:48:21,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:48:21,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:48:21,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:48:21,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:48:21,546 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-09 10:48:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:21,565 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2018-12-09 10:48:21,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:48:21,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 10:48:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:21,573 INFO L225 Difference]: With dead ends: 204 [2018-12-09 10:48:21,573 INFO L226 Difference]: Without dead ends: 104 [2018-12-09 10:48:21,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:48:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-09 10:48:21,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-09 10:48:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 10:48:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-12-09 10:48:21,604 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2018-12-09 10:48:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:21,604 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-12-09 10:48:21,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:48:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-12-09 10:48:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 10:48:21,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:21,606 INFO L402 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] [2018-12-09 10:48:21,607 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:21,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:21,607 INFO L82 PathProgramCache]: Analyzing trace with hash -619592794, now seen corresponding path program 1 times [2018-12-09 10:48:21,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:48:21,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:21,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:48:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:48:21,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:21,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:48:21,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:48:21,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:48:21,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:48:21,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:48:21,670 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2018-12-09 10:48:21,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:21,682 INFO L93 Difference]: Finished difference Result 140 states and 161 transitions. [2018-12-09 10:48:21,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:48:21,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 10:48:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:21,684 INFO L225 Difference]: With dead ends: 140 [2018-12-09 10:48:21,684 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 10:48:21,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:48:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 10:48:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 10:48:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 10:48:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-12-09 10:48:21,694 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2018-12-09 10:48:21,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:21,694 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-12-09 10:48:21,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:48:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-12-09 10:48:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 10:48:21,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:21,696 INFO L402 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] [2018-12-09 10:48:21,696 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:21,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:21,696 INFO L82 PathProgramCache]: Analyzing trace with hash 931001435, now seen corresponding path program 1 times [2018-12-09 10:48:21,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:48:21,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:21,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:21,698 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:48:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 10:48:21,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:21,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:48:21,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:48:21,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:48:21,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:48:21,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:48:21,784 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 7 states. [2018-12-09 10:48:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:21,994 INFO L93 Difference]: Finished difference Result 285 states and 344 transitions. [2018-12-09 10:48:21,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:48:21,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 10:48:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:21,996 INFO L225 Difference]: With dead ends: 285 [2018-12-09 10:48:21,997 INFO L226 Difference]: Without dead ends: 218 [2018-12-09 10:48:21,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:48:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-09 10:48:22,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 194. [2018-12-09 10:48:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-12-09 10:48:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2018-12-09 10:48:22,014 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2018-12-09 10:48:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:22,014 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2018-12-09 10:48:22,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:48:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2018-12-09 10:48:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 10:48:22,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:22,016 INFO L402 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] [2018-12-09 10:48:22,016 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:22,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:22,016 INFO L82 PathProgramCache]: Analyzing trace with hash -370943582, now seen corresponding path program 1 times [2018-12-09 10:48:22,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:48:22,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:22,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:22,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:22,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:48:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 10:48:22,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:22,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:48:22,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:48:22,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:48:22,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:48:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:48:22,077 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 6 states. [2018-12-09 10:48:22,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:22,177 INFO L93 Difference]: Finished difference Result 344 states and 423 transitions. [2018-12-09 10:48:22,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:48:22,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-12-09 10:48:22,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:22,178 INFO L225 Difference]: With dead ends: 344 [2018-12-09 10:48:22,178 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:48:22,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:48:22,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:48:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:48:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:48:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:48:22,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-12-09 10:48:22,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:22,181 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:48:22,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:48:22,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:48:22,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:48:22,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:48:22,430 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2018-12-09 10:48:22,430 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2018-12-09 10:48:22,430 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2018-12-09 10:48:22,430 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2018-12-09 10:48:22,430 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2018-12-09 10:48:22,431 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 886 894) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2018-12-09 10:48:22,431 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,431 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-12-09 10:48:22,432 INFO L444 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,432 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,432 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2018-12-09 10:48:22,432 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2018-12-09 10:48:22,432 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2018-12-09 10:48:22,432 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2018-12-09 10:48:22,432 INFO L444 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,432 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,432 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L444 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,433 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-09 10:48:22,433 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-09 10:48:22,434 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L451 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-09 10:48:22,434 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-09 10:48:22,434 INFO L444 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2018-12-09 10:48:22,435 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2018-12-09 10:48:22,435 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,435 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 282 296) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 237 245) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:48:22,436 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2018-12-09 10:48:22,436 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 742 750) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point L702-1(lines 698 709) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: true [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-12-09 10:48:22,437 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-12-09 10:48:22,437 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-12-09 10:48:22,437 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-12-09 10:48:22,437 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-12-09 10:48:22,438 INFO L451 ceAbstractionStarter]: At program point L190(lines 190 196) the Hoare annotation is: true [2018-12-09 10:48:22,438 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point L183(lines 179 201) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point L181(lines 179 201) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: true [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2018-12-09 10:48:22,438 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 674 685) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 10:48:22,439 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2018-12-09 10:48:22,439 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: true [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point L690-1(lines 686 697) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: true [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 852 859) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2018-12-09 10:48:22,440 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2018-12-09 10:48:22,441 INFO L444 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-09 10:48:22,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:48:22 BoogieIcfgContainer [2018-12-09 10:48:22,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:48:22,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:48:22,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:48:22,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:48:22,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:21" (3/4) ... [2018-12-09 10:48:22,454 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 10:48:22,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 10:48:22,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 10:48:22,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 10:48:22,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:48:22,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 10:48:22,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 10:48:22,464 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 10:48:22,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 10:48:22,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 10:48:22,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 10:48:22,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:48:22,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:48:22,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-12-09 10:48:22,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-09 10:48:22,504 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_680d448a-f534-49d3-b547-9cc73c0e614c/bin-2019/utaipan/witness.graphml [2018-12-09 10:48:22,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:48:22,505 INFO L168 Benchmark]: Toolchain (without parser) took 1827.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 838.4 MB in the end (delta: 108.6 MB). Peak memory consumption was 236.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:22,506 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:22,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:22,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:22,506 INFO L168 Benchmark]: Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:22,507 INFO L168 Benchmark]: RCFGBuilder took 328.23 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:22,507 INFO L168 Benchmark]: TraceAbstraction took 1128.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.5 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:22,507 INFO L168 Benchmark]: Witness Printer took 54.09 ms. Allocated memory is still 1.2 GB. Free memory was 845.5 MB in the beginning and 838.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:22,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 328.23 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1128.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.5 MB in the end (delta: 214.7 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.09 ms. Allocated memory is still 1.2 GB. Free memory was 845.5 MB in the beginning and 838.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: 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: 108]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 117 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 465 SDtfs, 225 SDslu, 795 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred 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, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 202 PreInvPairs, 224 NumberOfFragments, 318 HoareAnnotationTreeSize, 202 FomulaSimplifications, 129 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 587 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 25622 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...