./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/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 a00a7e438929786846b38e6a5327ae1b6e91eb08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:39:26,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:39:26,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:39:26,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:39:26,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:39:26,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:39:26,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:39:26,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:39:26,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:39:26,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:39:26,179 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:39:26,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:39:26,180 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:39:26,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:39:26,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:39:26,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:39:26,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:39:26,183 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:39:26,185 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:39:26,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:39:26,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:39:26,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:39:26,188 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:39:26,188 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:39:26,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:39:26,189 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:39:26,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:39:26,190 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:39:26,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:39:26,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:39:26,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:39:26,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:39:26,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:39:26,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:39:26,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:39:26,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:39:26,194 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:39:26,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:39:26,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:39:26,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:39:26,203 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:39:26,204 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:39:26,204 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:39:26,205 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:39:26,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:39:26,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:39:26,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:39:26,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:39:26,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:39:26,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:39:26,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:39:26,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:39:26,208 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:39:26,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:39:26,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:39:26,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:39:26,208 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_0e82fc84-024d-482b-8b8e-2d8a07431c67/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 -> a00a7e438929786846b38e6a5327ae1b6e91eb08 [2018-11-22 22:39:26,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:39:26,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:39:26,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:39:26,242 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:39:26,242 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:39:26,243 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-22 22:39:26,287 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/data/f66094466/5fbd5e4b019c424ea14b0044360f526c/FLAG2d7529580 [2018-11-22 22:39:26,715 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:39:26,715 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-22 22:39:26,722 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/data/f66094466/5fbd5e4b019c424ea14b0044360f526c/FLAG2d7529580 [2018-11-22 22:39:26,729 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/data/f66094466/5fbd5e4b019c424ea14b0044360f526c [2018-11-22 22:39:26,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:39:26,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:39:26,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:26,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:39:26,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:39:26,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:26" (1/1) ... [2018-11-22 22:39:26,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:26, skipping insertion in model container [2018-11-22 22:39:26,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:26" (1/1) ... [2018-11-22 22:39:26,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:39:26,769 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:39:26,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:26,999 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:39:27,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:27,059 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:39:27,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27 WrapperNode [2018-11-22 22:39:27,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:27,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:27,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:39:27,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:39:27,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:27,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:39:27,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:39:27,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:39:27,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... [2018-11-22 22:39:27,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:39:27,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:39:27,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:39:27,104 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:39:27,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:39:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 22:39:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 22:39:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 22:39:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 22:39:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:39:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:39:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:39:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:39:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 22:39:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 22:39:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:39:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 22:39:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:39:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:39:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:39:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 22:39:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 22:39:27,495 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:39:27,495 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 22:39:27,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:27 BoogieIcfgContainer [2018-11-22 22:39:27,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:39:27,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:39:27,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:39:27,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:39:27,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:39:26" (1/3) ... [2018-11-22 22:39:27,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb01a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:27, skipping insertion in model container [2018-11-22 22:39:27,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:27" (2/3) ... [2018-11-22 22:39:27,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb01a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:27, skipping insertion in model container [2018-11-22 22:39:27,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:27" (3/3) ... [2018-11-22 22:39:27,500 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-22 22:39:27,506 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:39:27,510 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:39:27,519 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:39:27,540 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:39:27,540 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:39:27,540 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:39:27,540 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:39:27,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:39:27,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:39:27,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:39:27,541 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:39:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-22 22:39:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 22:39:27,557 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:27,557 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:27,559 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:27,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2109768745, now seen corresponding path program 1 times [2018-11-22 22:39:27,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:27,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:27,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:27,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:27,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:39:27,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:27,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:39:27,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:39:27,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:39:27,753 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-22 22:39:27,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:27,771 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2018-11-22 22:39:27,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:39:27,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 22:39:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:27,777 INFO L225 Difference]: With dead ends: 170 [2018-11-22 22:39:27,777 INFO L226 Difference]: Without dead ends: 85 [2018-11-22 22:39:27,779 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 [2018-11-22 22:39:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-22 22:39:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-22 22:39:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-22 22:39:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2018-11-22 22:39:27,805 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2018-11-22 22:39:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:27,806 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2018-11-22 22:39:27,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:39:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2018-11-22 22:39:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 22:39:27,808 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:27,808 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:27,808 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:27,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1349179547, now seen corresponding path program 1 times [2018-11-22 22:39:27,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:27,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:27,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:39:27,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:27,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:39:27,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:39:27,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:27,878 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2018-11-22 22:39:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:27,891 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2018-11-22 22:39:27,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:39:27,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 22:39:27,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:27,893 INFO L225 Difference]: With dead ends: 115 [2018-11-22 22:39:27,893 INFO L226 Difference]: Without dead ends: 76 [2018-11-22 22:39:27,894 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 [2018-11-22 22:39:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-22 22:39:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-22 22:39:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-22 22:39:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2018-11-22 22:39:27,902 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2018-11-22 22:39:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:27,902 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2018-11-22 22:39:27,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:39:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2018-11-22 22:39:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:39:27,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:27,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:27,903 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:27,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:27,904 INFO L82 PathProgramCache]: Analyzing trace with hash -756675791, now seen corresponding path program 1 times [2018-11-22 22:39:27,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:27,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:27,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:27,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:27,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:27,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:39:27,993 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:27,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:39:27,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:39:27,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:27,994 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2018-11-22 22:39:28,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:28,007 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-11-22 22:39:28,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:39:28,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 22:39:28,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:28,009 INFO L225 Difference]: With dead ends: 128 [2018-11-22 22:39:28,009 INFO L226 Difference]: Without dead ends: 76 [2018-11-22 22:39:28,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-22 22:39:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-22 22:39:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-22 22:39:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-11-22 22:39:28,017 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2018-11-22 22:39:28,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:28,017 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-11-22 22:39:28,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:39:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-22 22:39:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 22:39:28,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:28,019 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:28,019 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:28,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:28,019 INFO L82 PathProgramCache]: Analyzing trace with hash 306524581, now seen corresponding path program 1 times [2018-11-22 22:39:28,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:28,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:28,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,020 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:28,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:28,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-22 22:39:28,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:28,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:39:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:39:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:39:28,168 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 10 states. [2018-11-22 22:39:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:28,460 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-11-22 22:39:28,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:39:28,461 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-22 22:39:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:28,464 INFO L225 Difference]: With dead ends: 212 [2018-11-22 22:39:28,464 INFO L226 Difference]: Without dead ends: 160 [2018-11-22 22:39:28,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-22 22:39:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-22 22:39:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2018-11-22 22:39:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-22 22:39:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2018-11-22 22:39:28,485 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 55 [2018-11-22 22:39:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:28,485 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2018-11-22 22:39:28,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:39:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2018-11-22 22:39:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 22:39:28,487 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:28,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:28,487 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:28,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:28,489 INFO L82 PathProgramCache]: Analyzing trace with hash -384571745, now seen corresponding path program 1 times [2018-11-22 22:39:28,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:28,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:28,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:28,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:28,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:39:28,542 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:28,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:39:28,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:39:28,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:28,543 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2018-11-22 22:39:28,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:28,555 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2018-11-22 22:39:28,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:39:28,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-22 22:39:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:28,557 INFO L225 Difference]: With dead ends: 241 [2018-11-22 22:39:28,557 INFO L226 Difference]: Without dead ends: 146 [2018-11-22 22:39:28,558 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 [2018-11-22 22:39:28,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-22 22:39:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-22 22:39:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-22 22:39:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 164 transitions. [2018-11-22 22:39:28,571 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 164 transitions. Word has length 59 [2018-11-22 22:39:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:28,572 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 164 transitions. [2018-11-22 22:39:28,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:39:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 164 transitions. [2018-11-22 22:39:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-22 22:39:28,573 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:28,574 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:28,574 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:39:28,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash -539449612, now seen corresponding path program 1 times [2018-11-22 22:39:28,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:39:28,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:28,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:39:28,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:39:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 22:39:28,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:28,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 22:39:28,669 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:39:28,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:39:28,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:39:28,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:39:28,670 INFO L87 Difference]: Start difference. First operand 146 states and 164 transitions. Second operand 6 states. [2018-11-22 22:39:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:28,739 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2018-11-22 22:39:28,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:39:28,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-22 22:39:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:28,740 INFO L225 Difference]: With dead ends: 148 [2018-11-22 22:39:28,740 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:39:28,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:39:28,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:39:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:39:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:39:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:39:28,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-22 22:39:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:28,742 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:39:28,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:39:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:39:28,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:39:28,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:39:29,176 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2018-11-22 22:39:29,176 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2018-11-22 22:39:29,176 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-22 22:39:29,176 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-22 22:39:29,176 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-22 22:39:29,176 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-22 22:39:29,177 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-22 22:39:29,177 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,177 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2018-11-22 22:39:29,177 INFO L444 ceAbstractionStarter]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,177 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-22 22:39:29,177 INFO L444 ceAbstractionStarter]: At program point L263-2(lines 255 268) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,177 INFO L448 ceAbstractionStarter]: For program point L226(lines 225 272) no Hoare annotation was computed. [2018-11-22 22:39:29,177 INFO L444 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,178 INFO L448 ceAbstractionStarter]: For program point L255(lines 255 268) no Hoare annotation was computed. [2018-11-22 22:39:29,178 INFO L444 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,178 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 251) no Hoare annotation was computed. [2018-11-22 22:39:29,178 INFO L448 ceAbstractionStarter]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2018-11-22 22:39:29,178 INFO L444 ceAbstractionStarter]: At program point L270(lines 225 272) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,178 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,180 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-11-22 22:39:29,180 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2018-11-22 22:39:29,180 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-11-22 22:39:29,180 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2018-11-22 22:39:29,180 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2018-11-22 22:39:29,180 INFO L444 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-22 22:39:29,180 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 381) no Hoare annotation was computed. [2018-11-22 22:39:29,180 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (= ~waterLevel~0 0)) [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 384) no Hoare annotation was computed. [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2018-11-22 22:39:29,181 INFO L451 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: true [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2018-11-22 22:39:29,181 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,181 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,181 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,181 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-11-22 22:39:29,182 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-11-22 22:39:29,182 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,184 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 158 166) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:39:29,184 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2018-11-22 22:39:29,184 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point L767(line 767) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2018-11-22 22:39:29,185 INFO L451 ceAbstractionStarter]: At program point L781(lines 756 785) the Hoare annotation is: true [2018-11-22 22:39:29,185 INFO L448 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-11-22 22:39:29,186 INFO L448 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2018-11-22 22:39:29,186 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-11-22 22:39:29,186 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-11-22 22:39:29,186 INFO L444 ceAbstractionStarter]: At program point L111(lines 111 117) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-11-22 22:39:29,186 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2018-11-22 22:39:29,186 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0)) [2018-11-22 22:39:29,186 INFO L448 ceAbstractionStarter]: For program point L104(lines 103 122) no Hoare annotation was computed. [2018-11-22 22:39:29,186 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L448 ceAbstractionStarter]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2018-11-22 22:39:29,187 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-22 22:39:29,187 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2018-11-22 22:39:29,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:39:29,187 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= ~pumpRunning~0 0)) [2018-11-22 22:39:29,188 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)) (= |old(~systemActive~0)| 0)) [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 203 210) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-22 22:39:29,188 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-22 22:39:29,189 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-22 22:39:29,189 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= |old(~systemActive~0)| 0) (and (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 22:39:29,189 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2018-11-22 22:39:29,189 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2018-11-22 22:39:29,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:39:29 BoogieIcfgContainer [2018-11-22 22:39:29,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:39:29,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:39:29,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:39:29,200 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:39:29,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:27" (3/4) ... [2018-11-22 22:39:29,204 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 22:39:29,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 22:39:29,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 22:39:29,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-22 22:39:29,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:39:29,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:39:29,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:39:29,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:39:29,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:39:29,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:39:29,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-22 22:39:29,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-22 22:39:29,258 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0e82fc84-024d-482b-8b8e-2d8a07431c67/bin-2019/utaipan/witness.graphml [2018-11-22 22:39:29,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:39:29,259 INFO L168 Benchmark]: Toolchain (without parser) took 2526.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -210.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,259 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-22 22:39:29,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.03 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. [2018-11-22 22:39:29,260 INFO L168 Benchmark]: Boogie Preprocessor took 24.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,260 INFO L168 Benchmark]: RCFGBuilder took 392.43 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,260 INFO L168 Benchmark]: TraceAbstraction took 1703.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -80.2 MB). Peak memory consumption was 277.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,261 INFO L168 Benchmark]: Witness Printer took 58.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:29,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 327.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.03 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 24.17 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 392.43 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1703.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -80.2 MB). Peak memory consumption was 277.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || \old(systemActive) == 0) || (!(systemActive == 0) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 98 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 524 SDtfs, 279 SDslu, 792 SDs, 0 SdLazy, 256 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 195 NumberOfFragments, 455 HoareAnnotationTreeSize, 174 FomulaSimplifications, 158 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 709 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 41248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...