./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/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 70ea5eb10d82b903f50468d78668817b6c6916a6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:12:15,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:12:15,799 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:12:15,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:12:15,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:12:15,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:12:15,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:12:15,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:12:15,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:12:15,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:12:15,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:12:15,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:12:15,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:12:15,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:12:15,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:12:15,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:12:15,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:12:15,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:12:15,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:12:15,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:12:15,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:12:15,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:12:15,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:12:15,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:12:15,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:12:15,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:12:15,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:12:15,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:12:15,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:12:15,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:12:15,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:12:15,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:12:15,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:12:15,828 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:12:15,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:12:15,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:12:15,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:12:15,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:12:15,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:12:15,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:12:15,839 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:12:15,839 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:12:15,839 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:12:15,839 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:12:15,839 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:12:15,840 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:12:15,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:12:15,840 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:12:15,840 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:12:15,840 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:12:15,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:12:15,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:12:15,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:12:15,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:12:15,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:12:15,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:12:15,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:12:15,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:12:15,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:12:15,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:12:15,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:12:15,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:12:15,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:12:15,845 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_d1af10e2-4186-4feb-874e-f72d72d3fc5a/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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2018-11-18 16:12:15,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:12:15,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:12:15,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:12:15,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:12:15,887 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:12:15,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:15,938 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/data/8ac95de9f/41cf707c0663483a8908bf04728e11f0/FLAGe7d17ba13 [2018-11-18 16:12:16,371 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:12:16,372 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/sv-benchmarks/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:16,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/data/8ac95de9f/41cf707c0663483a8908bf04728e11f0/FLAGe7d17ba13 [2018-11-18 16:12:16,390 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/data/8ac95de9f/41cf707c0663483a8908bf04728e11f0 [2018-11-18 16:12:16,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:12:16,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:12:16,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:16,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:12:16,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:12:16,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16, skipping insertion in model container [2018-11-18 16:12:16,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:12:16,434 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:12:16,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:16,631 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:12:16,728 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:12:16,749 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:12:16,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16 WrapperNode [2018-11-18 16:12:16,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:12:16,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:16,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:12:16,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:12:16,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:12:16,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:12:16,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:12:16,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:12:16,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... [2018-11-18 16:12:16,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:12:16,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:12:16,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:12:16,802 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:12:16,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/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 [2018-11-18 16:12:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:12:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:12:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:12:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:12:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:12:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:12:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:12:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:12:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:12:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:12:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:12:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:12:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:12:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:12:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:12:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:12:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:12:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:12:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:12:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:12:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:12:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:12:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:12:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:12:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:12:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:12:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:12:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:12:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:12:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:12:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:12:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:12:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:12:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:12:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:12:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:12:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:12:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:12:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:12:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:12:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:12:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:12:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:12:17,246 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:12:17,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:17 BoogieIcfgContainer [2018-11-18 16:12:17,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:12:17,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:12:17,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:12:17,249 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:12:17,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:12:16" (1/3) ... [2018-11-18 16:12:17,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2e69f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:17, skipping insertion in model container [2018-11-18 16:12:17,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:12:16" (2/3) ... [2018-11-18 16:12:17,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2e69f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:12:17, skipping insertion in model container [2018-11-18 16:12:17,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:17" (3/3) ... [2018-11-18 16:12:17,251 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-18 16:12:17,257 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:12:17,262 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:12:17,270 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:12:17,292 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:12:17,292 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:12:17,293 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:12:17,293 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:12:17,293 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:12:17,293 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:12:17,293 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:12:17,293 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:12:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-18 16:12:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:12:17,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:17,314 INFO L375 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] [2018-11-18 16:12:17,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:17,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:17,321 INFO L82 PathProgramCache]: Analyzing trace with hash 194834537, now seen corresponding path program 1 times [2018-11-18 16:12:17,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:17,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:17,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:17,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:17,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:12:17,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:17,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:12:17,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:12:17,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:12:17,535 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-18 16:12:17,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:17,559 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2018-11-18 16:12:17,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:12:17,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 16:12:17,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:17,568 INFO L225 Difference]: With dead ends: 180 [2018-11-18 16:12:17,568 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 16:12:17,571 INFO L604 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 [2018-11-18 16:12:17,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 16:12:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 16:12:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 16:12:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-18 16:12:17,604 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 51 [2018-11-18 16:12:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:17,604 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-18 16:12:17,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:12:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-18 16:12:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:12:17,607 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:17,607 INFO L375 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] [2018-11-18 16:12:17,607 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:17,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:17,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1159446334, now seen corresponding path program 1 times [2018-11-18 16:12:17,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:17,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:17,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:17,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:17,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:12:17,702 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:17,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:12:17,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:12:17,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:12:17,704 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-18 16:12:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:17,717 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2018-11-18 16:12:17,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:12:17,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:12:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:17,719 INFO L225 Difference]: With dead ends: 123 [2018-11-18 16:12:17,719 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 16:12:17,720 INFO L604 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 [2018-11-18 16:12:17,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 16:12:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 16:12:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 16:12:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-18 16:12:17,729 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2018-11-18 16:12:17,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:17,729 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-18 16:12:17,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:12:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-18 16:12:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:12:17,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:17,731 INFO L375 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] [2018-11-18 16:12:17,731 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:17,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:17,731 INFO L82 PathProgramCache]: Analyzing trace with hash -2125918153, now seen corresponding path program 1 times [2018-11-18 16:12:17,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:17,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:17,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:17,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:17,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:17,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:12:17,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:17,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:12:17,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:12:17,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:12:17,867 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-11-18 16:12:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:18,108 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2018-11-18 16:12:18,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:18,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:12:18,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:18,109 INFO L225 Difference]: With dead ends: 136 [2018-11-18 16:12:18,110 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 16:12:18,110 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:12:18,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 16:12:18,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 16:12:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 16:12:18,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-11-18 16:12:18,118 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2018-11-18 16:12:18,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:18,119 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-11-18 16:12:18,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:12:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-11-18 16:12:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:12:18,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:18,120 INFO L375 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] [2018-11-18 16:12:18,121 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:18,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1042467077, now seen corresponding path program 1 times [2018-11-18 16:12:18,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:18,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:18,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:18,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:18,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:18,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:18,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:12:18,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:18,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:18,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:12:18,223 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2018-11-18 16:12:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:18,376 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-11-18 16:12:18,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:12:18,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-18 16:12:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:18,379 INFO L225 Difference]: With dead ends: 182 [2018-11-18 16:12:18,379 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:12:18,380 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:12:18,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-18 16:12:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 16:12:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2018-11-18 16:12:18,392 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 61 [2018-11-18 16:12:18,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:18,392 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2018-11-18 16:12:18,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2018-11-18 16:12:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 16:12:18,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:12:18,394 INFO L375 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] [2018-11-18 16:12:18,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:12:18,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:12:18,395 INFO L82 PathProgramCache]: Analyzing trace with hash 762536023, now seen corresponding path program 1 times [2018-11-18 16:12:18,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:12:18,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:18,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:12:18,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:12:18,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:12:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:12:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:12:18,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:12:18,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:12:18,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:12:18,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:12:18,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:12:18,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:12:18,474 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 6 states. [2018-11-18 16:12:18,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:12:18,584 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2018-11-18 16:12:18,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:12:18,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-18 16:12:18,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:12:18,588 INFO L225 Difference]: With dead ends: 214 [2018-11-18 16:12:18,589 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:12:18,590 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:12:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:12:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:12:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:12:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:12:18,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 16:12:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:12:18,591 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:12:18,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:12:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:12:18,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:12:18,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:12:18,951 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2018-11-18 16:12:18,951 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2018-11-18 16:12:18,952 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2018-11-18 16:12:18,952 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2018-11-18 16:12:18,952 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2018-11-18 16:12:18,952 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2018-11-18 16:12:18,952 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2018-11-18 16:12:18,952 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,952 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,952 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L421 ceAbstractionStarter]: At program point L597(lines 552 599) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,953 INFO L421 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 552 599) no Hoare annotation was computed. [2018-11-18 16:12:18,953 INFO L421 ceAbstractionStarter]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,954 INFO L425 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2018-11-18 16:12:18,954 INFO L421 ceAbstractionStarter]: At program point L590-2(lines 582 595) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,954 INFO L425 ceAbstractionStarter]: For program point L553(lines 552 599) no Hoare annotation was computed. [2018-11-18 16:12:18,954 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,954 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 595) no Hoare annotation was computed. [2018-11-18 16:12:18,954 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2018-11-18 16:12:18,954 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,954 INFO L421 ceAbstractionStarter]: At program point L865-1(line 865) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,955 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,955 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2018-11-18 16:12:18,955 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 859 881) no Hoare annotation was computed. [2018-11-18 16:12:18,955 INFO L421 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 16:12:18,955 INFO L421 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 16:12:18,955 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 876) no Hoare annotation was computed. [2018-11-18 16:12:18,955 INFO L425 ceAbstractionStarter]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2018-11-18 16:12:18,955 INFO L425 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L421 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 693 701) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 775) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point L768(lines 768 778) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L421 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 781) no Hoare annotation was computed. [2018-11-18 16:12:18,956 INFO L425 ceAbstractionStarter]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2018-11-18 16:12:18,957 INFO L428 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2018-11-18 16:12:18,957 INFO L425 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2018-11-18 16:12:18,957 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: true [2018-11-18 16:12:18,957 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2018-11-18 16:12:18,957 INFO L421 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 16:12:18,957 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: true [2018-11-18 16:12:18,957 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 748 755) no Hoare annotation was computed. [2018-11-18 16:12:18,957 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2018-11-18 16:12:18,957 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:18,958 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:18,958 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:18,958 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,972 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2018-11-18 16:12:18,972 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2018-11-18 16:12:18,972 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2018-11-18 16:12:18,972 INFO L428 ceAbstractionStarter]: At program point L801-1(lines 801 805) the Hoare annotation is: true [2018-11-18 16:12:18,972 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2018-11-18 16:12:18,972 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 797 811) no Hoare annotation was computed. [2018-11-18 16:12:18,972 INFO L428 ceAbstractionStarter]: At program point L797-3(lines 797 811) the Hoare annotation is: true [2018-11-18 16:12:18,974 INFO L428 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2018-11-18 16:12:18,974 INFO L425 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2018-11-18 16:12:18,974 INFO L428 ceAbstractionStarter]: At program point L812(lines 787 816) the Hoare annotation is: true [2018-11-18 16:12:18,974 INFO L425 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2018-11-18 16:12:18,974 INFO L425 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-11-18 16:12:18,974 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L428 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L428 ceAbstractionStarter]: At program point L628(lines 628 634) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L421 ceAbstractionStarter]: At program point L623(line 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point L621(lines 620 639) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2018-11-18 16:12:18,975 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 16:12:18,976 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 738 745) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 16:12:18,976 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 16:12:18,976 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,977 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2018-11-18 16:12:18,977 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2018-11-18 16:12:18,977 INFO L421 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:12:18,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:12:18 BoogieIcfgContainer [2018-11-18 16:12:18,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:12:18,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:12:18,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:12:18,993 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:12:18,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:12:17" (3/4) ... [2018-11-18 16:12:18,996 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:12:19,001 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:12:19,001 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:12:19,001 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:12:19,001 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:12:19,001 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:12:19,002 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:12:19,003 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:12:19,003 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:12:19,003 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:12:19,003 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:12:19,009 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 16:12:19,009 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:12:19,010 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:12:19,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:12:19,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:12:19,061 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1af10e2-4186-4feb-874e-f72d72d3fc5a/bin-2019/utaipan/witness.graphml [2018-11-18 16:12:19,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:12:19,062 INFO L168 Benchmark]: Toolchain (without parser) took 2669.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.6 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -269.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:19,063 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:19,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -204.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:19,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:12:19,063 INFO L168 Benchmark]: Boogie Preprocessor took 29.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:19,064 INFO L168 Benchmark]: RCFGBuilder took 445.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:19,064 INFO L168 Benchmark]: TraceAbstraction took 1745.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.5 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:19,064 INFO L168 Benchmark]: Witness Printer took 68.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:12:19,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -204.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 445.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1745.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.5 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 185 SDslu, 786 SDs, 0 SdLazy, 181 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 163 PreInvPairs, 178 NumberOfFragments, 391 HoareAnnotationTreeSize, 163 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 576 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 29985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...