./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:30:23,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:30:23,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:30:23,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:30:23,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:30:23,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:30:23,836 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:30:23,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:30:23,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:30:23,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:30:23,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:30:23,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:30:23,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:30:23,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:30:23,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:30:23,841 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:30:23,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:30:23,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:30:23,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:30:23,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:30:23,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:30:23,846 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:30:23,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:30:23,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:30:23,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:30:23,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:30:23,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:30:23,848 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:30:23,849 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:30:23,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:30:23,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:30:23,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:30:23,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:30:23,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:30:23,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:30:23,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:30:23,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:30:23,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:30:23,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:30:23,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:30:23,860 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:30:23,860 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:30:23,860 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:30:23,860 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:30:23,860 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:30:23,860 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:30:23,861 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:30:23,861 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:30:23,861 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:30:23,861 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:30:23,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:30:23,861 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:30:23,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:30:23,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:23,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:30:23,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:30:23,863 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_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2018-12-09 19:30:23,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:30:23,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:30:23,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:30:23,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:30:23,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:30:23,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-12-09 19:30:23,939 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/data/9ecd69f2e/c87b9ae0844343a2930e97a22a189f51/FLAGc54282b50 [2018-12-09 19:30:24,406 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:30:24,407 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-12-09 19:30:24,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/data/9ecd69f2e/c87b9ae0844343a2930e97a22a189f51/FLAGc54282b50 [2018-12-09 19:30:24,422 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/data/9ecd69f2e/c87b9ae0844343a2930e97a22a189f51 [2018-12-09 19:30:24,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:30:24,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:30:24,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:24,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:30:24,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:30:24,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24, skipping insertion in model container [2018-12-09 19:30:24,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:30:24,456 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:30:24,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:24,674 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:30:24,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:24,742 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:30:24,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24 WrapperNode [2018-12-09 19:30:24,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:24,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:24,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:30:24,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:30:24,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:24,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:30:24,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:30:24,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:30:24,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... [2018-12-09 19:30:24,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:30:24,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:30:24,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:30:24,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:30:24,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:30:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:30:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:30:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:30:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:30:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:30:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:30:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:30:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:30:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:30:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:30:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:30:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:30:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:30:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:30:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:30:25,118 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:30:25,118 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:30:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:25 BoogieIcfgContainer [2018-12-09 19:30:25,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:30:25,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:30:25,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:30:25,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:30:25,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:30:24" (1/3) ... [2018-12-09 19:30:25,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb0a6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:25, skipping insertion in model container [2018-12-09 19:30:25,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:24" (2/3) ... [2018-12-09 19:30:25,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb0a6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:25, skipping insertion in model container [2018-12-09 19:30:25,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:25" (3/3) ... [2018-12-09 19:30:25,123 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-12-09 19:30:25,129 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:30:25,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:30:25,142 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:30:25,160 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:30:25,161 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:30:25,161 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:30:25,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:30:25,161 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:30:25,161 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:30:25,161 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:30:25,161 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:30:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-12-09 19:30:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:30:25,177 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:25,177 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:25,179 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:25,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:25,182 INFO L82 PathProgramCache]: Analyzing trace with hash -487922081, now seen corresponding path program 1 times [2018-12-09 19:30:25,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:25,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:25,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:25,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:25,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:30:25,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:25,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:30:25,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:30:25,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:25,330 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-12-09 19:30:25,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:25,351 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-12-09 19:30:25,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:30:25,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 19:30:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:25,359 INFO L225 Difference]: With dead ends: 234 [2018-12-09 19:30:25,359 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 19:30:25,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:25,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 19:30:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-09 19:30:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 19:30:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-09 19:30:25,392 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2018-12-09 19:30:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:25,392 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-09 19:30:25,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:30:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-09 19:30:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:30:25,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:25,394 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] [2018-12-09 19:30:25,395 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:25,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:25,395 INFO L82 PathProgramCache]: Analyzing trace with hash 687359330, now seen corresponding path program 1 times [2018-12-09 19:30:25,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:25,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:25,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:25,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:25,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:30:25,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:25,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:30:25,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:30:25,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:25,454 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-12-09 19:30:25,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:25,465 INFO L93 Difference]: Finished difference Result 173 states and 201 transitions. [2018-12-09 19:30:25,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:30:25,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 19:30:25,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:25,466 INFO L225 Difference]: With dead ends: 173 [2018-12-09 19:30:25,466 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 19:30:25,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:25,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 19:30:25,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 19:30:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 19:30:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-12-09 19:30:25,474 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2018-12-09 19:30:25,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:25,474 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-12-09 19:30:25,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:30:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-12-09 19:30:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:30:25,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:25,475 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] [2018-12-09 19:30:25,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:25,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:25,475 INFO L82 PathProgramCache]: Analyzing trace with hash -564083850, now seen corresponding path program 1 times [2018-12-09 19:30:25,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:25,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:25,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:25,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:25,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:30:25,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:25,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:30:25,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:30:25,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:30:25,547 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-12-09 19:30:25,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:25,805 INFO L93 Difference]: Finished difference Result 325 states and 395 transitions. [2018-12-09 19:30:25,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:30:25,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 19:30:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:25,808 INFO L225 Difference]: With dead ends: 325 [2018-12-09 19:30:25,808 INFO L226 Difference]: Without dead ends: 243 [2018-12-09 19:30:25,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:30:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-09 19:30:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 231. [2018-12-09 19:30:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-12-09 19:30:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2018-12-09 19:30:25,834 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 57 [2018-12-09 19:30:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:25,834 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2018-12-09 19:30:25,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:30:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2018-12-09 19:30:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 19:30:25,836 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:25,836 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:25,837 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:25,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:25,837 INFO L82 PathProgramCache]: Analyzing trace with hash 667363296, now seen corresponding path program 1 times [2018-12-09 19:30:25,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:25,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:25,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:25,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:25,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:25,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:30:25,909 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:25,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:30:25,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:30:25,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:30:25,910 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand 6 states. [2018-12-09 19:30:26,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:26,045 INFO L93 Difference]: Finished difference Result 619 states and 774 transitions. [2018-12-09 19:30:26,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:30:26,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 19:30:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:26,049 INFO L225 Difference]: With dead ends: 619 [2018-12-09 19:30:26,049 INFO L226 Difference]: Without dead ends: 416 [2018-12-09 19:30:26,050 INFO L631 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 [2018-12-09 19:30:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-12-09 19:30:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 410. [2018-12-09 19:30:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-12-09 19:30:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2018-12-09 19:30:26,081 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 62 [2018-12-09 19:30:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:26,082 INFO L480 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2018-12-09 19:30:26,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:30:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2018-12-09 19:30:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:30:26,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:26,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:26,085 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:26,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:26,085 INFO L82 PathProgramCache]: Analyzing trace with hash 93963996, now seen corresponding path program 1 times [2018-12-09 19:30:26,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:26,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:26,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:26,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:26,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:26,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:26,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:30:26,167 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:26,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:30:26,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:30:26,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:30:26,168 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 7 states. [2018-12-09 19:30:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:26,366 INFO L93 Difference]: Finished difference Result 684 states and 861 transitions. [2018-12-09 19:30:26,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:30:26,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 19:30:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:26,367 INFO L225 Difference]: With dead ends: 684 [2018-12-09 19:30:26,368 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:30:26,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:30:26,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:30:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:30:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:30:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:30:26,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-12-09 19:30:26,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:26,370 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:30:26,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:30:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:30:26,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:30:26,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:30:26,929 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 19:30:26,929 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 19:30:26,929 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 19:30:26,929 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 19:30:26,929 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 583) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 576 583) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 566 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L572-1(line 572) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 566 588) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 566 588) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 360 374) no Hoare annotation was computed. [2018-12-09 19:30:26,930 INFO L444 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:30:26,930 INFO L448 ceAbstractionStarter]: For program point L364(lines 364 370) no Hoare annotation was computed. [2018-12-09 19:30:26,931 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 360 374) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 360 374) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 296 304) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 296 304) the Hoare annotation is: true [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 296 304) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 354) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L451 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: true [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-12-09 19:30:26,933 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 341 359) the Hoare annotation is: true [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 341 359) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 341 359) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 19:30:26,934 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,934 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 555 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 555 565) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 555 565) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 277 284) the Hoare annotation is: true [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 226 250) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:30:26,934 INFO L448 ceAbstractionStarter]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2018-12-09 19:30:26,934 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 226 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 242) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 247) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 385 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 421) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L442(lines 395 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 385 452) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 405 411) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L445(lines 394 446) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,935 INFO L444 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 439) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L444 ceAbstractionStarter]: At program point L433-1(lines 425 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L396(lines 395 444) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 440) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 385 452) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L444 ceAbstractionStarter]: At program point L478(line 478) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 482) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 485) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L444 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 488) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 463 491) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 463 491) the Hoare annotation is: true [2018-12-09 19:30:26,936 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 463 491) no Hoare annotation was computed. [2018-12-09 19:30:26,936 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 455 462) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 455 462) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 455 462) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L451 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L451 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L451 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 19:30:26,937 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:30:26,937 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 19:30:26,937 INFO L444 ceAbstractionStarter]: At program point L205(lines 205 211) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:30:26,937 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point L198(lines 197 216) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 548 554) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 548 554) the Hoare annotation is: true [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 19:30:26,938 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: true [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2018-12-09 19:30:26,938 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2018-12-09 19:30:26,939 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2018-12-09 19:30:26,939 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2018-12-09 19:30:26,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-12-09 19:30:26,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-09 19:30:26,939 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-12-09 19:30:26,939 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-12-09 19:30:26,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:30:26 BoogieIcfgContainer [2018-12-09 19:30:26,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:30:26,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:30:26,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:30:26,947 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:30:26,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:25" (3/4) ... [2018-12-09 19:30:26,949 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:30:26,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:30:26,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:30:26,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:30:26,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 19:30:26,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:30:26,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:30:26,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:30:26,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:30:26,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:30:26,977 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:30:26,977 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:30:26,997 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f44828dc-ef4b-4c97-ae57-1b10d2f4e42a/bin-2019/utaipan/witness.graphml [2018-12-09 19:30:26,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:30:26,997 INFO L168 Benchmark]: Toolchain (without parser) took 2573.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 97.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,998 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:26,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:26,998 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:26,999 INFO L168 Benchmark]: RCFGBuilder took 330.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,999 INFO L168 Benchmark]: TraceAbstraction took 1826.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.7 MB). Peak memory consumption was 277.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,999 INFO L168 Benchmark]: Witness Printer took 50.47 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. [2018-12-09 19:30:27,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.02 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 23.76 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 330.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1826.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.7 MB). Peak memory consumption was 277.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.47 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: 82]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 132 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 657 SDtfs, 436 SDslu, 1193 SDs, 0 SdLazy, 428 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 524 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 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...