./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/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 7d22266300e6cd9ced6ad4763303b2f8762682aa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:03:54,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:03:54,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:03:54,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:03:54,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:03:54,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:03:54,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:03:54,016 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:03:54,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:03:54,018 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:03:54,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:03:54,019 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:03:54,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:03:54,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:03:54,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:03:54,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:03:54,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:03:54,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:03:54,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:03:54,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:03:54,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:03:54,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:03:54,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:03:54,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:03:54,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:03:54,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:03:54,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:03:54,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:03:54,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:03:54,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:03:54,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:03:54,032 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:03:54,032 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:03:54,032 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:03:54,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:03:54,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:03:54,034 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:03:54,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:03:54,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:03:54,044 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:03:54,044 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:03:54,044 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:03:54,044 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:03:54,045 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:03:54,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:03:54,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:03:54,046 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:03:54,046 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:03:54,046 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:03:54,046 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:03:54,047 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:03:54,047 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:03:54,048 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:03:54,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:03:54,049 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:03:54,049 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_808e91e4-fbef-4171-ab93-8d6013d08ccb/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2018-11-23 02:03:54,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:03:54,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:03:54,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:03:54,081 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:03:54,081 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:03:54,082 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-23 02:03:54,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/data/316a26094/849ad03bf87b4a71a50dc98531b22762/FLAG7087f4d4d [2018-11-23 02:03:54,546 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:03:54,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-23 02:03:54,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/data/316a26094/849ad03bf87b4a71a50dc98531b22762/FLAG7087f4d4d [2018-11-23 02:03:54,562 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/data/316a26094/849ad03bf87b4a71a50dc98531b22762 [2018-11-23 02:03:54,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:03:54,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:03:54,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:54,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:03:54,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:03:54,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54, skipping insertion in model container [2018-11-23 02:03:54,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:03:54,612 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:03:54,789 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:54,798 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:03:54,886 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:54,903 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:03:54,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54 WrapperNode [2018-11-23 02:03:54,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:54,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:54,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:03:54,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:03:54,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:54,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:03:54,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:03:54,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:03:54,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... [2018-11-23 02:03:54,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:03:54,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:03:54,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:03:54,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:03:54,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:03:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 02:03:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 02:03:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 02:03:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 02:03:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 02:03:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:03:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 02:03:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 02:03:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 02:03:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 02:03:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 02:03:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 02:03:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:03:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:03:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 02:03:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 02:03:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 02:03:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 02:03:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:03:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:03:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:03:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 02:03:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 02:03:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:03:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:03:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:03:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:03:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:03:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:03:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 02:03:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 02:03:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 02:03:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 02:03:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:03:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:03:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:03:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:03:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 02:03:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 02:03:55,326 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:03:55,327 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 02:03:55,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:55 BoogieIcfgContainer [2018-11-23 02:03:55,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:03:55,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:03:55,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:03:55,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:03:55,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:03:54" (1/3) ... [2018-11-23 02:03:55,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413a897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:55, skipping insertion in model container [2018-11-23 02:03:55,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:54" (2/3) ... [2018-11-23 02:03:55,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413a897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:55, skipping insertion in model container [2018-11-23 02:03:55,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:55" (3/3) ... [2018-11-23 02:03:55,333 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-23 02:03:55,340 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:03:55,346 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:03:55,359 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:03:55,383 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:03:55,383 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:03:55,383 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:03:55,383 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:03:55,383 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:03:55,383 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:03:55,384 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:03:55,384 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:03:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-23 02:03:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 02:03:55,402 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:55,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:03:55,405 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:55,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash -678485060, now seen corresponding path program 1 times [2018-11-23 02:03:55,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:55,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:55,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:55,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:55,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:03:55,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:55,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:03:55,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:03:55,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:03:55,592 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-23 02:03:55,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:55,617 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-23 02:03:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:03:55,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 02:03:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:55,626 INFO L225 Difference]: With dead ends: 180 [2018-11-23 02:03:55,626 INFO L226 Difference]: Without dead ends: 90 [2018-11-23 02:03:55,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:03:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-23 02:03:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-11-23 02:03:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-23 02:03:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-11-23 02:03:55,656 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2018-11-23 02:03:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:55,657 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-11-23 02:03:55,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:03:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-11-23 02:03:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 02:03:55,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:55,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:03:55,658 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:55,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash -613777260, now seen corresponding path program 1 times [2018-11-23 02:03:55,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:55,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:55,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:55,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:55,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:03:55,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:55,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:03:55,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:03:55,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:55,726 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2018-11-23 02:03:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:55,739 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2018-11-23 02:03:55,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:03:55,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 02:03:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:55,741 INFO L225 Difference]: With dead ends: 120 [2018-11-23 02:03:55,742 INFO L226 Difference]: Without dead ends: 81 [2018-11-23 02:03:55,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-23 02:03:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-23 02:03:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-23 02:03:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-11-23 02:03:55,751 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2018-11-23 02:03:55,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:55,751 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-11-23 02:03:55,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:03:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-11-23 02:03:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 02:03:55,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:55,752 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] [2018-11-23 02:03:55,752 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:55,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:55,754 INFO L82 PathProgramCache]: Analyzing trace with hash -2051684313, now seen corresponding path program 1 times [2018-11-23 02:03:55,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:55,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:55,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:55,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:55,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:03:55,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:55,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:03:55,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:03:55,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:55,855 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2018-11-23 02:03:55,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:55,882 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2018-11-23 02:03:55,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:03:55,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-11-23 02:03:55,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:55,886 INFO L225 Difference]: With dead ends: 190 [2018-11-23 02:03:55,886 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 02:03:55,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 02:03:55,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-11-23 02:03:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 02:03:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-11-23 02:03:55,901 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 51 [2018-11-23 02:03:55,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:55,902 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-11-23 02:03:55,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:03:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-11-23 02:03:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 02:03:55,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:55,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:03:55,903 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:55,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash -840532143, now seen corresponding path program 1 times [2018-11-23 02:03:55,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:55,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:55,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:55,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:56,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:56,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 02:03:56,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:56,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:03:56,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:03:56,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:03:56,055 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 10 states. [2018-11-23 02:03:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:56,361 INFO L93 Difference]: Finished difference Result 386 states and 502 transitions. [2018-11-23 02:03:56,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 02:03:56,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-11-23 02:03:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:56,364 INFO L225 Difference]: With dead ends: 386 [2018-11-23 02:03:56,364 INFO L226 Difference]: Without dead ends: 287 [2018-11-23 02:03:56,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:03:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-23 02:03:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-23 02:03:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-23 02:03:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 345 transitions. [2018-11-23 02:03:56,393 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 345 transitions. Word has length 54 [2018-11-23 02:03:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:56,393 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 345 transitions. [2018-11-23 02:03:56,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:03:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 345 transitions. [2018-11-23 02:03:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 02:03:56,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:56,396 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] [2018-11-23 02:03:56,396 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:56,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash -621872885, now seen corresponding path program 1 times [2018-11-23 02:03:56,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:56,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:56,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:56,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:56,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:03:56,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:56,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:03:56,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:03:56,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:56,457 INFO L87 Difference]: Start difference. First operand 279 states and 345 transitions. Second operand 3 states. [2018-11-23 02:03:56,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:56,474 INFO L93 Difference]: Finished difference Result 502 states and 635 transitions. [2018-11-23 02:03:56,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:03:56,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-23 02:03:56,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:56,477 INFO L225 Difference]: With dead ends: 502 [2018-11-23 02:03:56,477 INFO L226 Difference]: Without dead ends: 247 [2018-11-23 02:03:56,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:03:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-23 02:03:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-11-23 02:03:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-23 02:03:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 290 transitions. [2018-11-23 02:03:56,497 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 290 transitions. Word has length 58 [2018-11-23 02:03:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:56,498 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 290 transitions. [2018-11-23 02:03:56,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:03:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 290 transitions. [2018-11-23 02:03:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:03:56,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:56,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:03:56,501 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:56,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:56,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1834637892, now seen corresponding path program 1 times [2018-11-23 02:03:56,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:56,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:56,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:03:56,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:56,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:03:56,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:56,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:03:56,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:03:56,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:03:56,565 INFO L87 Difference]: Start difference. First operand 247 states and 290 transitions. Second operand 4 states. [2018-11-23 02:03:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:56,635 INFO L93 Difference]: Finished difference Result 482 states and 570 transitions. [2018-11-23 02:03:56,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:03:56,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-23 02:03:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:56,638 INFO L225 Difference]: With dead ends: 482 [2018-11-23 02:03:56,638 INFO L226 Difference]: Without dead ends: 259 [2018-11-23 02:03:56,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:03:56,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-23 02:03:56,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2018-11-23 02:03:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-23 02:03:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 284 transitions. [2018-11-23 02:03:56,654 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 284 transitions. Word has length 94 [2018-11-23 02:03:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:56,654 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 284 transitions. [2018-11-23 02:03:56,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:03:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 284 transitions. [2018-11-23 02:03:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 02:03:56,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:03:56,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:03:56,656 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:03:56,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:56,658 INFO L82 PathProgramCache]: Analyzing trace with hash 397347106, now seen corresponding path program 1 times [2018-11-23 02:03:56,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:03:56,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:03:56,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:03:56,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:03:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 02:03:56,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:03:56,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:03:56,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:03:56,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:03:56,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:03:56,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:03:56,721 INFO L87 Difference]: Start difference. First operand 247 states and 284 transitions. Second operand 6 states. [2018-11-23 02:03:56,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:03:56,790 INFO L93 Difference]: Finished difference Result 251 states and 288 transitions. [2018-11-23 02:03:56,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:03:56,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 02:03:56,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:03:56,791 INFO L225 Difference]: With dead ends: 251 [2018-11-23 02:03:56,791 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:03:56,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:03:56,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:03:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:03:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:03:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:03:56,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-23 02:03:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:03:56,793 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:03:56,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:03:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:03:56,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:03:56,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:03:56,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:03:57,232 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2018-11-23 02:03:57,232 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2018-11-23 02:03:57,232 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2018-11-23 02:03:57,232 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2018-11-23 02:03:57,232 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2018-11-23 02:03:57,233 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2018-11-23 02:03:57,233 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2018-11-23 02:03:57,233 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2018-11-23 02:03:57,233 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2018-11-23 02:03:57,233 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2018-11-23 02:03:57,233 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,233 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,233 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2018-11-23 02:03:57,233 INFO L444 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L444 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L444 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,234 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2018-11-23 02:03:57,234 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L444 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2018-11-23 02:03:57,235 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-23 02:03:57,235 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,236 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,236 INFO L444 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~5 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,236 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L448 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-23 02:03:57,236 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,238 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,238 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,238 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2018-11-23 02:03:57,238 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 02:03:57,238 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L448 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-11-23 02:03:57,239 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L451 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L451 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L451 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-23 02:03:57,240 INFO L451 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2018-11-23 02:03:57,240 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L444 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 02:03:57,241 INFO L444 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))))) [2018-11-23 02:03:57,241 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2018-11-23 02:03:57,241 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-23 02:03:57,242 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 02:03:57,242 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 02:03:57,242 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 02:03:57,243 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 02:03:57,243 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 02:03:57,243 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2018-11-23 02:03:57,243 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2018-11-23 02:03:57,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:03:57 BoogieIcfgContainer [2018-11-23 02:03:57,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:03:57,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:03:57,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:03:57,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:03:57,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:55" (3/4) ... [2018-11-23 02:03:57,263 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 02:03:57,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:03:57,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 02:03:57,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 02:03:57,273 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 02:03:57,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:03:57,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:03:57,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:03:57,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:03:57,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:03:57,275 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:03:57,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 02:03:57,295 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 02:03:57,321 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_808e91e4-fbef-4171-ab93-8d6013d08ccb/bin-2019/utaipan/witness.graphml [2018-11-23 02:03:57,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:03:57,321 INFO L168 Benchmark]: Toolchain (without parser) took 2756.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:57,322 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:03:57,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:57,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:03:57,323 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:03:57,323 INFO L168 Benchmark]: RCFGBuilder took 376.03 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:57,323 INFO L168 Benchmark]: TraceAbstraction took 1930.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.3 MB). Peak memory consumption was 280.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:57,323 INFO L168 Benchmark]: Witness Printer took 61.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:57,325 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.85 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 25.42 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 376.03 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1930.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.3 MB). Peak memory consumption was 280.6 MB. Max. memory is 11.5 GB. * Witness Printer took 61.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 103 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 694 SDtfs, 433 SDslu, 1005 SDs, 0 SdLazy, 325 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 360 PreInvPairs, 395 NumberOfFragments, 452 HoareAnnotationTreeSize, 360 FomulaSimplifications, 492 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1390 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 49718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 52/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...