./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_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_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/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 8ca334e090ac37635ea5e20a191b6f0bec293495 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:19:01,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:19:01,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:19:01,861 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:19:01,861 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:19:01,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:19:01,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:19:01,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:19:01,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:19:01,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:19:01,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:19:01,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:19:01,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:19:01,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:19:01,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:19:01,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:19:01,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:19:01,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:19:01,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:19:01,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:19:01,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:19:01,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:19:01,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:19:01,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:19:01,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:19:01,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:19:01,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:19:01,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:19:01,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:19:01,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:19:01,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:19:01,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:19:01,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:19:01,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:19:01,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:19:01,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:19:01,875 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:19:01,882 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:19:01,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:19:01,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:19:01,882 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:19:01,882 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:19:01,883 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:19:01,883 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:19:01,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:19:01,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:19:01,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:19:01,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:19:01,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:19:01,886 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_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2018-12-09 19:19:01,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:19:01,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:19:01,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:19:01,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:19:01,915 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:19:01,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 19:19:01,952 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/data/91cad2acf/30df07745e2d4b63b3559685d87253b7/FLAG380f37052 [2018-12-09 19:19:02,348 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:19:02,348 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/sv-benchmarks/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 19:19:02,354 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/data/91cad2acf/30df07745e2d4b63b3559685d87253b7/FLAG380f37052 [2018-12-09 19:19:02,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/data/91cad2acf/30df07745e2d4b63b3559685d87253b7 [2018-12-09 19:19:02,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:19:02,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:19:02,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:19:02,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:19:02,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:19:02,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396438e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02, skipping insertion in model container [2018-12-09 19:19:02,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:19:02,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:19:02,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:19:02,560 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:19:02,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:19:02,651 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:19:02,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02 WrapperNode [2018-12-09 19:19:02,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:19:02,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:19:02,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:19:02,652 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:19:02,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:19:02,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:19:02,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:19:02,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:19:02,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... [2018-12-09 19:19:02,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:19:02,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:19:02,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:19:02,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:19:02,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:19:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:19:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:19:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:19:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:19:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:19:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:19:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:19:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:19:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:19:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:19:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:19:03,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:19:03,007 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:19:03,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:19:03 BoogieIcfgContainer [2018-12-09 19:19:03,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:19:03,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:19:03,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:19:03,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:19:03,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:19:02" (1/3) ... [2018-12-09 19:19:03,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bda75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:19:03, skipping insertion in model container [2018-12-09 19:19:03,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:19:02" (2/3) ... [2018-12-09 19:19:03,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bda75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:19:03, skipping insertion in model container [2018-12-09 19:19:03,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:19:03" (3/3) ... [2018-12-09 19:19:03,012 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-12-09 19:19:03,018 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:19:03,024 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:19:03,033 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:19:03,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:19:03,053 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:19:03,053 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:19:03,053 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:19:03,053 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:19:03,053 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:19:03,053 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:19:03,053 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:19:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-12-09 19:19:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:19:03,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:03,071 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:03,073 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:03,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:03,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2076015637, now seen corresponding path program 1 times [2018-12-09 19:19:03,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:03,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:03,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:19:03,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:19:03,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:19:03,214 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:03,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:19:03,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:19:03,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:19:03,227 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-12-09 19:19:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:03,248 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2018-12-09 19:19:03,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:19:03,249 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:19:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:03,256 INFO L225 Difference]: With dead ends: 244 [2018-12-09 19:19:03,256 INFO L226 Difference]: Without dead ends: 122 [2018-12-09 19:19:03,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:19:03,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-12-09 19:19:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-12-09 19:19:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-12-09 19:19:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-12-09 19:19:03,288 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2018-12-09 19:19:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:03,288 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-12-09 19:19:03,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:19:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-12-09 19:19:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:19:03,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:03,290 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:03,290 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:03,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:03,290 INFO L82 PathProgramCache]: Analyzing trace with hash -163575237, now seen corresponding path program 1 times [2018-12-09 19:19:03,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:03,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:03,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:19:03,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:19:03,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:19:03,354 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:03,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:19:03,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:19:03,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:19:03,355 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2018-12-09 19:19:03,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:03,367 INFO L93 Difference]: Finished difference Result 193 states and 225 transitions. [2018-12-09 19:19:03,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:19:03,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:19:03,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:03,369 INFO L225 Difference]: With dead ends: 193 [2018-12-09 19:19:03,369 INFO L226 Difference]: Without dead ends: 113 [2018-12-09 19:19:03,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:19:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-09 19:19:03,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-09 19:19:03,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-09 19:19:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2018-12-09 19:19:03,377 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2018-12-09 19:19:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:03,377 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2018-12-09 19:19:03,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:19:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2018-12-09 19:19:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:19:03,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:03,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:03,378 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:03,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:03,379 INFO L82 PathProgramCache]: Analyzing trace with hash 731683058, now seen corresponding path program 1 times [2018-12-09 19:19:03,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:19:03,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:19:03,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:19:03,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:03,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:19:03,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:19:03,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:19:03,454 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2018-12-09 19:19:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:03,616 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2018-12-09 19:19:03,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:19:03,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 19:19:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:03,618 INFO L225 Difference]: With dead ends: 202 [2018-12-09 19:19:03,618 INFO L226 Difference]: Without dead ends: 113 [2018-12-09 19:19:03,618 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 [2018-12-09 19:19:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-09 19:19:03,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-09 19:19:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-09 19:19:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2018-12-09 19:19:03,625 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2018-12-09 19:19:03,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:03,625 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2018-12-09 19:19:03,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:19:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2018-12-09 19:19:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 19:19:03,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:03,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:03,627 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:03,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:03,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1157726517, now seen corresponding path program 1 times [2018-12-09 19:19:03,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:03,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:03,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:03,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:19:03,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:19:03,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:19:03,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:03,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:19:03,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:19:03,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:19:03,733 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 10 states. [2018-12-09 19:19:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:04,041 INFO L93 Difference]: Finished difference Result 360 states and 441 transitions. [2018-12-09 19:19:04,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:19:04,041 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2018-12-09 19:19:04,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:04,045 INFO L225 Difference]: With dead ends: 360 [2018-12-09 19:19:04,045 INFO L226 Difference]: Without dead ends: 271 [2018-12-09 19:19:04,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:19:04,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-12-09 19:19:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2018-12-09 19:19:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-12-09 19:19:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 318 transitions. [2018-12-09 19:19:04,072 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 318 transitions. Word has length 64 [2018-12-09 19:19:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:04,073 INFO L480 AbstractCegarLoop]: Abstraction has 267 states and 318 transitions. [2018-12-09 19:19:04,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:19:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2018-12-09 19:19:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 19:19:04,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:04,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:04,075 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:04,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:04,075 INFO L82 PathProgramCache]: Analyzing trace with hash 660711135, now seen corresponding path program 1 times [2018-12-09 19:19:04,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:04,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:04,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:04,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:04,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:19:04,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:19:04,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:19:04,131 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:04,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:19:04,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:19:04,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:19:04,132 INFO L87 Difference]: Start difference. First operand 267 states and 318 transitions. Second operand 3 states. [2018-12-09 19:19:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:04,146 INFO L93 Difference]: Finished difference Result 407 states and 496 transitions. [2018-12-09 19:19:04,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:19:04,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-12-09 19:19:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:04,148 INFO L225 Difference]: With dead ends: 407 [2018-12-09 19:19:04,148 INFO L226 Difference]: Without dead ends: 164 [2018-12-09 19:19:04,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:19:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-12-09 19:19:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-12-09 19:19:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-12-09 19:19:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-12-09 19:19:04,159 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 72 [2018-12-09 19:19:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:04,159 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-12-09 19:19:04,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:19:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-12-09 19:19:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:19:04,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:19:04,161 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:19:04,161 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:19:04,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:04,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1344295440, now seen corresponding path program 1 times [2018-12-09 19:19:04,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:19:04,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:04,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:19:04,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:19:04,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:19:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:19:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 19:19:04,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:19:04,256 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:19:04,257 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 19:19:04,258 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [59], [74], [77], [78], [79], [88], [92], [96], [99], [104], [110], [112], [115], [132], [133], [134], [135], [176], [180], [186], [194], [200], [204], [205], [208], [223], [226], [227], [228], [229], [230], [231], [233], [234], [235], [236], [237], [238], [239], [240], [241], [245], [255], [256], [257], [258], [261], [262], [271], [272], [273], [274], [275], [276], [277], [285], [286] [2018-12-09 19:19:04,283 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:19:04,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:19:04,583 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:19:04,584 INFO L272 AbstractInterpreter]: Visited 65 different actions 73 times. Merged at 5 different actions 5 times. Never widened. Performed 2706 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2706 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-09 19:19:04,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:19:04,596 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:19:04,812 INFO L227 lantSequenceWeakener]: Weakened 98 states. On average, predicates are now at 97.41% of their original sizes. [2018-12-09 19:19:04,813 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:19:04,900 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 19:19:04,900 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:19:04,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:19:04,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-12-09 19:19:04,901 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:19:04,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 19:19:04,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 19:19:04,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:19:04,901 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 17 states. [2018-12-09 19:19:06,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:19:06,162 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2018-12-09 19:19:06,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:19:06,162 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 108 [2018-12-09 19:19:06,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:19:06,163 INFO L225 Difference]: With dead ends: 209 [2018-12-09 19:19:06,163 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:19:06,163 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-12-09 19:19:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:19:06,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:19:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:19:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:19:06,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2018-12-09 19:19:06,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:19:06,164 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:19:06,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 19:19:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:19:06,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:19:06,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:19:06,793 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2018-12-09 19:19:06,793 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2018-12-09 19:19:06,793 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2018-12-09 19:19:06,793 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2018-12-09 19:19:06,793 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2018-12-09 19:19:06,794 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2018-12-09 19:19:06,794 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,794 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2018-12-09 19:19:06,794 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 824) no Hoare annotation was computed. [2018-12-09 19:19:06,794 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,794 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 827) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L451 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,795 INFO L444 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L444 ceAbstractionStarter]: At program point L793-1(line 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point L791(lines 791 798) no Hoare annotation was computed. [2018-12-09 19:19:06,795 INFO L448 ceAbstractionStarter]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2018-12-09 19:19:06,796 INFO L448 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2018-12-09 19:19:06,796 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,796 INFO L444 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,796 INFO L444 ceAbstractionStarter]: At program point L787-1(line 787) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,796 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2018-12-09 19:19:06,796 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-12-09 19:19:06,796 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-12-09 19:19:06,796 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-12-09 19:19:06,796 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-12-09 19:19:06,796 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2018-12-09 19:19:06,797 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2018-12-09 19:19:06,797 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-12-09 19:19:06,798 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,798 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-09 19:19:06,798 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,799 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,799 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,799 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:19:06,799 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-12-09 19:19:06,799 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 19:19:06,800 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-12-09 19:19:06,800 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-12-09 19:19:06,800 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 19:19:06,800 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-12-09 19:19:06,800 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-12-09 19:19:06,800 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 19:19:06,800 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 19:19:06,800 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:19:06,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:19:06,801 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: true [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L451 ceAbstractionStarter]: At program point L735(lines 710 739) the Hoare annotation is: true [2018-12-09 19:19:06,802 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2018-12-09 19:19:06,802 INFO L451 ceAbstractionStarter]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2018-12-09 19:19:06,803 INFO L448 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2018-12-09 19:19:06,803 INFO L451 ceAbstractionStarter]: At program point L720-2(lines 720 734) the Hoare annotation is: true [2018-12-09 19:19:06,803 INFO L451 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-12-09 19:19:06,803 INFO L448 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2018-12-09 19:19:06,803 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2018-12-09 19:19:06,803 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2018-12-09 19:19:06,803 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2018-12-09 19:19:06,803 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:19:06,803 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:19:06,803 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:19:06,804 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 19:19:06,804 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2018-12-09 19:19:06,804 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L448 ceAbstractionStarter]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2018-12-09 19:19:06,804 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2018-12-09 19:19:06,805 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:19:06,805 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 19:19:06,805 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:19:06,805 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:19:06,805 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2018-12-09 19:19:06,805 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2018-12-09 19:19:06,805 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-12-09 19:19:06,805 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2018-12-09 19:19:06,805 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2018-12-09 19:19:06,806 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2018-12-09 19:19:06,806 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2018-12-09 19:19:06,806 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,806 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-12-09 19:19:06,806 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-09 19:19:06,806 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,806 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,806 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-12-09 19:19:06,807 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-09 19:19:06,807 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,807 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-12-09 19:19:06,807 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-09 19:19:06,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:19:06 BoogieIcfgContainer [2018-12-09 19:19:06,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:19:06,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:19:06,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:19:06,816 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:19:06,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:19:03" (3/4) ... [2018-12-09 19:19:06,819 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:19:06,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:19:06,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:19:06,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 19:19:06,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:19:06,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:19:06,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:19:06,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:19:06,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:19:06,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 19:19:06,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 19:19:06,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:19:06,829 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:19:06,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:19:06,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:19:06,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:19:06,846 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:19:06,846 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-09 19:19:06,876 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0e1763f-c1d1-49d3-8bc8-54df3daa7637/bin-2019/utaipan/witness.graphml [2018-12-09 19:19:06,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:19:06,877 INFO L168 Benchmark]: Toolchain (without parser) took 4511.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 947.0 MB in the beginning and 838.3 MB in the end (delta: 108.6 MB). Peak memory consumption was 423.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: Boogie Preprocessor took 21.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: RCFGBuilder took 314.14 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: TraceAbstraction took 3807.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 848.0 MB in the end (delta: 227.4 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:19:06,878 INFO L168 Benchmark]: Witness Printer took 60.20 ms. Allocated memory is still 1.3 GB. Free memory was 848.0 MB in the beginning and 838.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:19:06,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.11 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 314.14 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: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3807.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 848.0 MB in the end (delta: 227.4 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. * Witness Printer took 60.20 ms. Allocated memory is still 1.3 GB. Free memory was 848.0 MB in the beginning and 838.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 135 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 746 SDtfs, 497 SDslu, 1813 SDs, 0 SdLazy, 671 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 153 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9974040633585235 AbsIntWeakeningRatio, 0.897196261682243 AbsIntAvgWeakeningVarsNumRemoved, 91.3177570093458 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 397 PreInvPairs, 410 NumberOfFragments, 878 HoareAnnotationTreeSize, 397 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 743 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 55057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 32/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...