./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product21_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_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/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 96ae2288ffb48a442cf9d3aacf0a8b0af732e156 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:45:30,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:45:30,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:45:30,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:45:30,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:45:30,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:45:30,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:45:30,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:45:30,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:45:30,836 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:45:30,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:45:30,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:45:30,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:45:30,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:45:30,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:45:30,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:45:30,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:45:30,841 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:45:30,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:45:30,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:45:30,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:45:30,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:45:30,846 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:45:30,846 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:45:30,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:45:30,847 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:45:30,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:45:30,849 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:45:30,849 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:45:30,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:45:30,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:45:30,851 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:45:30,851 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:45:30,851 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:45:30,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:45:30,852 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:45:30,852 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:45:30,862 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:45:30,862 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:45:30,863 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:45:30,863 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:45:30,863 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:45:30,863 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:45:30,863 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:45:30,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:45:30,864 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:45:30,865 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:45:30,866 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:45:30,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:45:30,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:45:30,867 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:45:30,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:45:30,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:45:30,867 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:45:30,867 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_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/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 -> 96ae2288ffb48a442cf9d3aacf0a8b0af732e156 [2018-11-23 07:45:30,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:45:30,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:45:30,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:45:30,900 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:45:30,900 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:45:30,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product21_true-unreach-call_false-termination.cil.c [2018-11-23 07:45:30,935 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/data/44bc898c6/283f8ba1ae59431587cb3a10bd60a803/FLAG0371c1309 [2018-11-23 07:45:31,366 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:45:31,366 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/sv-benchmarks/c/product-lines/minepump_spec5_product21_true-unreach-call_false-termination.cil.c [2018-11-23 07:45:31,373 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/data/44bc898c6/283f8ba1ae59431587cb3a10bd60a803/FLAG0371c1309 [2018-11-23 07:45:31,382 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/data/44bc898c6/283f8ba1ae59431587cb3a10bd60a803 [2018-11-23 07:45:31,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:45:31,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:45:31,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:45:31,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:45:31,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:45:31,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f66bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31, skipping insertion in model container [2018-11-23 07:45:31,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:45:31,427 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:45:31,629 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:45:31,637 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:45:31,742 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:45:31,762 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:45:31,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31 WrapperNode [2018-11-23 07:45:31,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:45:31,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:45:31,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:45:31,763 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:45:31,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:45:31,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:45:31,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:45:31,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:45:31,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... [2018-11-23 07:45:31,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:45:31,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:45:31,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:45:31,815 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:45:31,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/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 [2018-11-23 07:45:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:45:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:45:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:45:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:45:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:45:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:45:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:45:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:45:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:45:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:45:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:45:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:45:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:45:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:45:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:45:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:45:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:45:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:45:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:45:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:45:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:45:32,273 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:45:32,273 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:45:32,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:32 BoogieIcfgContainer [2018-11-23 07:45:32,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:45:32,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:45:32,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:45:32,277 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:45:32,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:45:31" (1/3) ... [2018-11-23 07:45:32,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad08a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:32, skipping insertion in model container [2018-11-23 07:45:32,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:31" (2/3) ... [2018-11-23 07:45:32,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad08a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:32, skipping insertion in model container [2018-11-23 07:45:32,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:32" (3/3) ... [2018-11-23 07:45:32,279 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21_true-unreach-call_false-termination.cil.c [2018-11-23 07:45:32,285 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:45:32,291 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:45:32,301 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:45:32,323 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:45:32,323 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:45:32,323 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:45:32,324 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:45:32,324 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:45:32,324 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:45:32,324 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:45:32,324 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:45:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-23 07:45:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:45:32,346 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:45:32,347 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] [2018-11-23 07:45:32,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:45:32,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:45:32,352 INFO L82 PathProgramCache]: Analyzing trace with hash -658940401, now seen corresponding path program 1 times [2018-11-23 07:45:32,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:45:32,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:32,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:45:32,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:32,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:45:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:45:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:45:32,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:45:32,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:45:32,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:45:32,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:45:32,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:45:32,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:45:32,560 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-23 07:45:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:45:32,586 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-11-23 07:45:32,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:45:32,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 07:45:32,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:45:32,597 INFO L225 Difference]: With dead ends: 260 [2018-11-23 07:45:32,597 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 07:45:32,601 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 [2018-11-23 07:45:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 07:45:32,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 07:45:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 07:45:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-11-23 07:45:32,639 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 59 [2018-11-23 07:45:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:45:32,639 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-11-23 07:45:32,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:45:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-11-23 07:45:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 07:45:32,642 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:45:32,643 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] [2018-11-23 07:45:32,643 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:45:32,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:45:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1805367124, now seen corresponding path program 1 times [2018-11-23 07:45:32,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:45:32,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:32,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:45:32,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:32,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:45:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:45:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:45:32,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:45:32,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:45:32,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:45:32,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:45:32,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:45:32,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:45:32,778 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 7 states. [2018-11-23 07:45:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:45:33,012 INFO L93 Difference]: Finished difference Result 236 states and 285 transitions. [2018-11-23 07:45:33,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:45:33,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 07:45:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:45:33,015 INFO L225 Difference]: With dead ends: 236 [2018-11-23 07:45:33,015 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 07:45:33,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:45:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 07:45:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 07:45:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 07:45:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2018-11-23 07:45:33,029 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 64 [2018-11-23 07:45:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:45:33,031 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2018-11-23 07:45:33,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:45:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2018-11-23 07:45:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 07:45:33,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:45:33,034 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, 1, 1, 1] [2018-11-23 07:45:33,034 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:45:33,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:45:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1494138605, now seen corresponding path program 1 times [2018-11-23 07:45:33,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:45:33,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:33,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:45:33,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:33,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:45:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:45:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:45:33,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:45:33,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:45:33,102 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:45:33,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:45:33,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:45:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:45:33,103 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2018-11-23 07:45:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:45:33,114 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2018-11-23 07:45:33,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:45:33,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-23 07:45:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:45:33,116 INFO L225 Difference]: With dead ends: 209 [2018-11-23 07:45:33,116 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 07:45:33,117 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 [2018-11-23 07:45:33,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 07:45:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 07:45:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 07:45:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-23 07:45:33,128 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 73 [2018-11-23 07:45:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:45:33,128 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-23 07:45:33,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:45:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-23 07:45:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 07:45:33,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:45:33,130 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:45:33,130 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:45:33,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:45:33,131 INFO L82 PathProgramCache]: Analyzing trace with hash 986990410, now seen corresponding path program 1 times [2018-11-23 07:45:33,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:45:33,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:33,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:45:33,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:45:33,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:45:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:45:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:45:33,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:45:33,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:45:33,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:45:33,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:45:33,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:45:33,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:45:33,250 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2018-11-23 07:45:33,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:45:33,526 INFO L93 Difference]: Finished difference Result 181 states and 216 transitions. [2018-11-23 07:45:33,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:45:33,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2018-11-23 07:45:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:45:33,527 INFO L225 Difference]: With dead ends: 181 [2018-11-23 07:45:33,527 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:45:33,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:45:33,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:45:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:45:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:45:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:45:33,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2018-11-23 07:45:33,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:45:33,529 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:45:33,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:45:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:45:33,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:45:33,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:45:34,069 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2018-11-23 07:45:34,073 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2018-11-23 07:45:34,073 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2018-11-23 07:45:34,073 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2018-11-23 07:45:34,073 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2018-11-23 07:45:34,073 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2018-11-23 07:45:34,073 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-11-23 07:45:34,074 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-11-23 07:45:34,074 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 158 167) the Hoare annotation is: true [2018-11-23 07:45:34,074 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 158 167) no Hoare annotation was computed. [2018-11-23 07:45:34,074 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 158 167) no Hoare annotation was computed. [2018-11-23 07:45:34,074 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 07:45:34,074 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,074 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2018-11-23 07:45:34,075 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 190) no Hoare annotation was computed. [2018-11-23 07:45:34,075 INFO L451 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2018-11-23 07:45:34,075 INFO L448 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-23 07:45:34,075 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 168 196) the Hoare annotation is: true [2018-11-23 07:45:34,075 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 193) no Hoare annotation was computed. [2018-11-23 07:45:34,075 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 168 196) no Hoare annotation was computed. [2018-11-23 07:45:34,075 INFO L451 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: true [2018-11-23 07:45:34,077 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-11-23 07:45:34,077 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 168 196) no Hoare annotation was computed. [2018-11-23 07:45:34,077 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,077 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,077 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,077 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,077 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,078 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,078 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-23 07:45:34,078 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2018-11-23 07:45:34,079 INFO L451 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2018-11-23 07:45:34,079 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2018-11-23 07:45:34,080 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,080 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,080 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:45:34,080 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:45:34,080 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2018-11-23 07:45:34,086 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-23 07:45:34,086 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 07:45:34,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2018-11-23 07:45:34,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2018-11-23 07:45:34,087 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: true [2018-11-23 07:45:34,087 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-23 07:45:34,087 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-23 07:45:34,087 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 832 856) no Hoare annotation was computed. [2018-11-23 07:45:34,087 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 832 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,087 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,087 INFO L448 ceAbstractionStarter]: For program point L851-1(lines 832 856) no Hoare annotation was computed. [2018-11-23 07:45:34,087 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,088 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,088 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 848) no Hoare annotation was computed. [2018-11-23 07:45:34,088 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,088 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-11-23 07:45:34,088 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 853) no Hoare annotation was computed. [2018-11-23 07:45:34,088 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 798 804) no Hoare annotation was computed. [2018-11-23 07:45:34,088 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 798 804) the Hoare annotation is: true [2018-11-23 07:45:34,088 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 701 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,089 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,089 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-11-23 07:45:34,089 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2018-11-23 07:45:34,089 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 701 764) no Hoare annotation was computed. [2018-11-23 07:45:34,089 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,089 INFO L444 ceAbstractionStarter]: At program point L754(lines 711 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,089 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2018-11-23 07:45:34,089 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L444 ceAbstractionStarter]: At program point L757(lines 710 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 741 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point L712(lines 711 756) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 752) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 701 764) no Hoare annotation was computed. [2018-11-23 07:45:34,090 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 290 298) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 290 298) the Hoare annotation is: true [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 290 298) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 281 289) the Hoare annotation is: true [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 281 289) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 281 289) no Hoare annotation was computed. [2018-11-23 07:45:34,091 INFO L448 ceAbstractionStarter]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2018-11-23 07:45:34,092 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: true [2018-11-23 07:45:34,092 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2018-11-23 07:45:34,092 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2018-11-23 07:45:34,092 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2018-11-23 07:45:34,092 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2018-11-23 07:45:34,092 INFO L444 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,092 INFO L444 ceAbstractionStarter]: At program point L785(lines 785 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,092 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,093 INFO L444 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 797) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point L778(lines 774 796) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point L776(lines 774 796) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 797) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 07:45:34,093 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 07:45:34,093 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 07:45:34,094 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 07:45:34,094 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 07:45:34,094 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 07:45:34,094 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 07:45:34,094 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 07:45:34,094 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 213 224) the Hoare annotation is: true [2018-11-23 07:45:34,094 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 213 224) no Hoare annotation was computed. [2018-11-23 07:45:34,094 INFO L448 ceAbstractionStarter]: For program point L217-1(lines 213 224) no Hoare annotation was computed. [2018-11-23 07:45:34,094 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 07:45:34,095 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 07:45:34,095 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:45:34,095 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: true [2018-11-23 07:45:34,095 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 198 205) no Hoare annotation was computed. [2018-11-23 07:45:34,095 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 198 205) the Hoare annotation is: true [2018-11-23 07:45:34,096 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2018-11-23 07:45:34,096 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 198 205) no Hoare annotation was computed. [2018-11-23 07:45:34,096 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 806 830) no Hoare annotation was computed. [2018-11-23 07:45:34,096 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 806 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,096 INFO L444 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,096 INFO L448 ceAbstractionStarter]: For program point L825-1(lines 806 830) no Hoare annotation was computed. [2018-11-23 07:45:34,096 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,096 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,097 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 822) no Hoare annotation was computed. [2018-11-23 07:45:34,097 INFO L444 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:45:34,097 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-11-23 07:45:34,097 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 827) no Hoare annotation was computed. [2018-11-23 07:45:34,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:45:34 BoogieIcfgContainer [2018-11-23 07:45:34,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:45:34,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:45:34,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:45:34,114 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:45:34,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:32" (3/4) ... [2018-11-23 07:45:34,118 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:45:34,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:45:34,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:45:34,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:45:34,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:45:34,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:45:34,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:45:34,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:45:34,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:45:34,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:45:34,153 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 07:45:34,154 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:45:34,154 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:45:34,154 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:45:34,155 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:45:34,155 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:45:34,155 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:45:34,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-11-23 07:45:34,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-11-23 07:45:34,220 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dfd9b3f5-17b5-43c0-911f-a2fd2e9603ba/bin-2019/utaipan/witness.graphml [2018-11-23 07:45:34,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:45:34,221 INFO L168 Benchmark]: Toolchain (without parser) took 2837.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -253.1 MB). Peak memory consumption was 305.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:34,222 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:45:34,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:34,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.59 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. [2018-11-23 07:45:34,223 INFO L168 Benchmark]: Boogie Preprocessor took 30.45 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. [2018-11-23 07:45:34,223 INFO L168 Benchmark]: RCFGBuilder took 459.22 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: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:34,223 INFO L168 Benchmark]: TraceAbstraction took 1839.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 808.2 MB in the end (delta: 261.4 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:34,224 INFO L168 Benchmark]: Witness Printer took 106.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 808.2 MB in the beginning and 1.2 GB in the end (delta: -401.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:34,225 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.59 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 30.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 459.22 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: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1839.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 808.2 MB in the end (delta: 261.4 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. * Witness Printer took 106.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 808.2 MB in the beginning and 1.2 GB in the end (delta: -401.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 240 SDslu, 573 SDs, 0 SdLazy, 318 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 244 PreInvPairs, 252 NumberOfFragments, 384 HoareAnnotationTreeSize, 244 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 30324 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...