./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product23_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_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/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 ae183694bf4bf570adbc8e6a3fd448131967b766 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:00:09,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:00:09,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:00:09,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:00:09,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:00:09,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:00:09,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:00:09,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:00:09,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:00:09,341 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:00:09,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:00:09,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:00:09,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:00:09,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:00:09,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:00:09,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:00:09,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:00:09,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:00:09,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:00:09,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:00:09,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:00:09,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:00:09,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:00:09,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:00:09,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:00:09,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:00:09,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:00:09,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:00:09,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:00:09,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:00:09,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:00:09,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:00:09,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:00:09,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:00:09,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:00:09,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:00:09,354 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:00:09,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:00:09,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:00:09,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:00:09,363 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:00:09,363 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:00:09,363 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:00:09,363 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:00:09,363 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:00:09,363 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:00:09,364 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:00:09,364 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:00:09,364 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:00:09,364 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:00:09,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:00:09,365 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:00:09,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:00:09,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:00:09,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:00:09,367 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:00:09,368 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_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/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 -> ae183694bf4bf570adbc8e6a3fd448131967b766 [2018-12-02 08:00:09,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:00:09,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:00:09,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:00:09,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:00:09,401 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:00:09,401 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-02 08:00:09,434 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/data/98efd6c22/a131ae69b2964265bab6f48873c39586/FLAG491e4cd51 [2018-12-02 08:00:09,842 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:00:09,842 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-02 08:00:09,848 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/data/98efd6c22/a131ae69b2964265bab6f48873c39586/FLAG491e4cd51 [2018-12-02 08:00:09,856 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/data/98efd6c22/a131ae69b2964265bab6f48873c39586 [2018-12-02 08:00:09,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:00:09,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:00:09,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:00:09,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:00:09,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:00:09,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:09" (1/1) ... [2018-12-02 08:00:09,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:09, skipping insertion in model container [2018-12-02 08:00:09,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:09" (1/1) ... [2018-12-02 08:00:09,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:00:09,889 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:00:10,032 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:00:10,040 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:00:10,111 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:00:10,126 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:00:10,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10 WrapperNode [2018-12-02 08:00:10,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:00:10,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:00:10,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:00:10,127 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:00:10,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:00:10,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:00:10,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:00:10,147 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:00:10,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... [2018-12-02 08:00:10,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:00:10,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:00:10,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:00:10,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:00:10,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/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 [2018-12-02 08:00:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:00:10,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:00:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:00:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:00:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:00:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:00:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:00:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:00:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:00:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:00:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:00:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:00:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:00:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:00:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:00:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:00:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:00:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:00:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:00:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:00:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:00:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:00:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:00:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:00:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:00:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:00:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:00:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:00:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:00:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:00:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:00:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:00:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:00:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:00:10,496 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:00:10,496 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:00:10,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:10 BoogieIcfgContainer [2018-12-02 08:00:10,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:00:10,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:00:10,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:00:10,499 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:00:10,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:00:09" (1/3) ... [2018-12-02 08:00:10,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b1d5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:10, skipping insertion in model container [2018-12-02 08:00:10,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:10" (2/3) ... [2018-12-02 08:00:10,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b1d5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:10, skipping insertion in model container [2018-12-02 08:00:10,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:10" (3/3) ... [2018-12-02 08:00:10,501 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-02 08:00:10,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:00:10,512 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:00:10,521 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:00:10,540 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:00:10,540 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:00:10,540 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:00:10,540 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:00:10,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:00:10,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:00:10,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:00:10,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:00:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-12-02 08:00:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 08:00:10,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:00:10,558 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] [2018-12-02 08:00:10,559 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:00:10,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:00:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1220941429, now seen corresponding path program 1 times [2018-12-02 08:00:10,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:00:10,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:00:10,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:00:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:00:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:00:10,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:00:10,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:00:10,704 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:00:10,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:00:10,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:00:10,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:00:10,716 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-12-02 08:00:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:10,739 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-12-02 08:00:10,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:00:10,739 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 08:00:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:10,746 INFO L225 Difference]: With dead ends: 272 [2018-12-02 08:00:10,746 INFO L226 Difference]: Without dead ends: 138 [2018-12-02 08:00:10,749 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 [2018-12-02 08:00:10,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-02 08:00:10,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-02 08:00:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-02 08:00:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-12-02 08:00:10,780 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 59 [2018-12-02 08:00:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:10,780 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-12-02 08:00:10,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:00:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-12-02 08:00:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 08:00:10,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:00:10,782 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] [2018-12-02 08:00:10,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:00:10,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:00:10,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1393055689, now seen corresponding path program 1 times [2018-12-02 08:00:10,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:00:10,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:00:10,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:00:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:00:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:00:10,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:00:10,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:00:10,832 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:00:10,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:00:10,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:00:10,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:00:10,834 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2018-12-02 08:00:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:10,847 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2018-12-02 08:00:10,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:00:10,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 08:00:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:10,848 INFO L225 Difference]: With dead ends: 215 [2018-12-02 08:00:10,848 INFO L226 Difference]: Without dead ends: 129 [2018-12-02 08:00:10,849 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 [2018-12-02 08:00:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-02 08:00:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-02 08:00:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-02 08:00:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2018-12-02 08:00:10,857 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 60 [2018-12-02 08:00:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:10,857 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2018-12-02 08:00:10,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:00:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-12-02 08:00:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 08:00:10,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:00:10,858 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] [2018-12-02 08:00:10,858 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:00:10,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:00:10,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1730261518, now seen corresponding path program 1 times [2018-12-02 08:00:10,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:00:10,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:00:10,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:10,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:00:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:00:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:00:10,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:00:10,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:00:10,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:00:10,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:00:10,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:00:10,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:00:10,931 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2018-12-02 08:00:11,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:11,173 INFO L93 Difference]: Finished difference Result 387 states and 471 transitions. [2018-12-02 08:00:11,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:00:11,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-02 08:00:11,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:11,177 INFO L225 Difference]: With dead ends: 387 [2018-12-02 08:00:11,177 INFO L226 Difference]: Without dead ends: 286 [2018-12-02 08:00:11,178 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 [2018-12-02 08:00:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-12-02 08:00:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2018-12-02 08:00:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 08:00:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 338 transitions. [2018-12-02 08:00:11,206 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 338 transitions. Word has length 64 [2018-12-02 08:00:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:11,206 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 338 transitions. [2018-12-02 08:00:11,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:00:11,206 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 338 transitions. [2018-12-02 08:00:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 08:00:11,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:00:11,209 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, 1, 1] [2018-12-02 08:00:11,209 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:00:11,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:00:11,209 INFO L82 PathProgramCache]: Analyzing trace with hash -890529482, now seen corresponding path program 1 times [2018-12-02 08:00:11,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:00:11,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:11,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:00:11,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:00:11,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:00:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:00:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 08:00:11,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:00:11,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:00:11,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:00:11,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:00:11,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:00:11,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:00:11,301 INFO L87 Difference]: Start difference. First operand 278 states and 338 transitions. Second operand 7 states. [2018-12-02 08:00:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:11,492 INFO L93 Difference]: Finished difference Result 448 states and 563 transitions. [2018-12-02 08:00:11,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:00:11,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 08:00:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:11,503 INFO L225 Difference]: With dead ends: 448 [2018-12-02 08:00:11,503 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:00:11,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:00:11,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:00:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:00:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:00:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:00:11,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-12-02 08:00:11,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:11,505 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:00:11,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:00:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:00:11,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:00:11,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:00:11,931 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-12-02 08:00:11,931 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-12-02 08:00:11,931 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2018-12-02 08:00:11,931 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 928 937) the Hoare annotation is: true [2018-12-02 08:00:11,931 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 928 937) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 928 937) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L444 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L951(lines 951 957) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 960) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L451 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L948-1(line 948) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L946(lines 946 963) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L946-1(lines 938 966) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 938 966) the Hoare annotation is: true [2018-12-02 08:00:11,932 INFO L451 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: true [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point L944-1(line 944) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 938 966) no Hoare annotation was computed. [2018-12-02 08:00:11,932 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,932 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1))) [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point L603-1(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1))) [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point L601(lines 601 608) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point L601-1(lines 601 608) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point L597-1(line 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 591 613) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-02 08:00:11,933 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-12-02 08:00:11,933 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L451 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-12-02 08:00:11,934 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 577 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 577 587) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 577 587) no Hoare annotation was computed. [2018-12-02 08:00:11,934 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,934 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2018-12-02 08:00:11,935 INFO L451 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,935 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,935 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2018-12-02 08:00:11,935 INFO L448 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 817 882) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point L863-1(lines 857 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L828(lines 827 874) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 870) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 817 882) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point L872(lines 827 874) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 08:00:11,936 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2018-12-02 08:00:11,936 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L444 ceAbstractionStarter]: At program point L875(lines 826 876) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 817 882) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2018-12-02 08:00:11,937 INFO L444 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-02 08:00:11,937 INFO L444 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,937 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L631(lines 627 649) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L629(lines 627 649) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 650) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 650) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 513 542) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 513 542) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point L538(lines 513 542) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point L527-1(lines 527 531) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point L523-2(lines 523 537) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point L519-1(line 519) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2018-12-02 08:00:11,938 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-02 08:00:11,939 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-02 08:00:11,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-02 08:00:11,939 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,940 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2018-12-02 08:00:11,940 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,940 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-12-02 08:00:11,940 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,940 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-02 08:00:11,940 INFO L448 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2018-12-02 08:00:11,940 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-12-02 08:00:11,940 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-02 08:00:11,940 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2018-12-02 08:00:11,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:00:11 BoogieIcfgContainer [2018-12-02 08:00:11,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:00:11,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:00:11,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:00:11,948 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:00:11,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:10" (3/4) ... [2018-12-02 08:00:11,950 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 08:00:11,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 08:00:11,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 08:00:11,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 08:00:11,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 08:00:11,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:00:11,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 08:00:11,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 08:00:11,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 08:00:11,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 08:00:11,961 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:00:11,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:00:11,979 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-12-02 08:00:11,979 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-02 08:00:12,003 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3f8a30f-cc53-4348-9dc3-8ba380e3ba04/bin-2019/utaipan/witness.graphml [2018-12-02 08:00:12,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:00:12,003 INFO L168 Benchmark]: Toolchain (without parser) took 2145.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 958.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,004 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:00:12,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,005 INFO L168 Benchmark]: Boogie Preprocessor took 22.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,005 INFO L168 Benchmark]: RCFGBuilder took 327.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,005 INFO L168 Benchmark]: TraceAbstraction took 1450.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 968.9 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,005 INFO L168 Benchmark]: Witness Printer took 55.47 ms. Allocated memory is still 1.1 GB. Free memory was 968.9 MB in the beginning and 958.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:12,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 327.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1450.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 968.9 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. * Witness Printer took 55.47 ms. Allocated memory is still 1.1 GB. Free memory was 968.9 MB in the beginning and 958.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 827]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 351 SDslu, 902 SDs, 0 SdLazy, 424 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 347 PreInvPairs, 370 NumberOfFragments, 444 HoareAnnotationTreeSize, 347 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 942 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 26206 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...