./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:44:51,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:44:51,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:44:51,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:44:51,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:44:51,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:44:51,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:44:51,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:44:51,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:44:51,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:44:51,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:44:51,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:44:51,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:44:51,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:44:51,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:44:51,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:44:51,852 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:44:51,853 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:44:51,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:44:51,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:44:51,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:44:51,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:44:51,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:44:51,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:44:51,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:44:51,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:44:51,863 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:44:51,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:44:51,864 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:44:51,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:44:51,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:44:51,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:44:51,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:44:51,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:44:51,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:44:51,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:44:51,869 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:44:51,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:44:51,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:44:51,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:44:51,881 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:44:51,881 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:44:51,881 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:44:51,881 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:44:51,881 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:44:51,881 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:44:51,882 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:44:51,882 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:44:51,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:44:51,883 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:44:51,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:44:51,883 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:44:51,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:44:51,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:44:51,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:44:51,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:44:51,884 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:44:51,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:44:51,885 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:44:51,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:44:51,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:44:51,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:44:51,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:44:51,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:44:51,887 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:44:51,887 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_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2018-11-10 03:44:51,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:44:51,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:44:51,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:44:51,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:44:51,925 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:44:51,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-10 03:44:51,980 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/data/3896145d3/6362891ffd4e4e228a5b7c8d7eb09239/FLAGe52c6107d [2018-11-10 03:44:52,384 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:44:52,384 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/sv-benchmarks/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-10 03:44:52,394 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/data/3896145d3/6362891ffd4e4e228a5b7c8d7eb09239/FLAGe52c6107d [2018-11-10 03:44:52,416 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/data/3896145d3/6362891ffd4e4e228a5b7c8d7eb09239 [2018-11-10 03:44:52,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:44:52,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:44:52,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:44:52,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:44:52,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:44:52,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52, skipping insertion in model container [2018-11-10 03:44:52,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:44:52,465 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:44:52,694 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:44:52,704 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:44:52,767 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:44:52,789 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:44:52,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52 WrapperNode [2018-11-10 03:44:52,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:44:52,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:44:52,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:44:52,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:44:52,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:44:52,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:44:52,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:44:52,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:44:52,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... [2018-11-10 03:44:52,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:44:52,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:44:52,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:44:52,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:44:52,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/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 [2018-11-10 03:44:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:44:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:44:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:44:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:44:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 03:44:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 03:44:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:44:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:44:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:44:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:44:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:44:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:44:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:44:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:44:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:44:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:44:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:44:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:44:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:44:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:44:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:44:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:44:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:44:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:44:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:44:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:44:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:44:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:44:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:44:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:44:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:44:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:44:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:44:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:44:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:44:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:44:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:44:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:44:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:44:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:44:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:44:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:44:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:44:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:44:53,961 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:44:53,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:44:53 BoogieIcfgContainer [2018-11-10 03:44:53,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:44:53,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:44:53,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:44:53,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:44:53,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:44:52" (1/3) ... [2018-11-10 03:44:53,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d97d637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:44:53, skipping insertion in model container [2018-11-10 03:44:53,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:44:52" (2/3) ... [2018-11-10 03:44:53,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d97d637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:44:53, skipping insertion in model container [2018-11-10 03:44:53,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:44:53" (3/3) ... [2018-11-10 03:44:53,967 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-10 03:44:53,975 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:44:53,982 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:44:53,994 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:44:54,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:44:54,019 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:44:54,019 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:44:54,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:44:54,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:44:54,020 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:44:54,020 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:44:54,020 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:44:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-11-10 03:44:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:44:54,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:44:54,042 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] [2018-11-10 03:44:54,044 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:44:54,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:54,050 INFO L82 PathProgramCache]: Analyzing trace with hash 388177961, now seen corresponding path program 1 times [2018-11-10 03:44:54,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:44:54,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:44:54,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,090 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:44:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:54,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:44:54,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:44:54,312 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:44:54,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:44:54,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:44:54,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:44:54,329 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-11-10 03:44:54,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:44:54,357 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2018-11-10 03:44:54,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:44:54,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-10 03:44:54,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:44:54,367 INFO L225 Difference]: With dead ends: 190 [2018-11-10 03:44:54,367 INFO L226 Difference]: Without dead ends: 97 [2018-11-10 03:44:54,371 INFO L605 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 [2018-11-10 03:44:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-10 03:44:54,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-10 03:44:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-10 03:44:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2018-11-10 03:44:54,412 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 51 [2018-11-10 03:44:54,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:44:54,412 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2018-11-10 03:44:54,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:44:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2018-11-10 03:44:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 03:44:54,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:44:54,417 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] [2018-11-10 03:44:54,417 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:44:54,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:54,417 INFO L82 PathProgramCache]: Analyzing trace with hash -153027902, now seen corresponding path program 1 times [2018-11-10 03:44:54,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:44:54,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:44:54,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,419 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:44:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:54,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:44:54,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:44:54,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:44:54,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:44:54,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:44:54,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:44:54,542 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 3 states. [2018-11-10 03:44:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:44:54,571 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2018-11-10 03:44:54,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:44:54,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-10 03:44:54,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:44:54,573 INFO L225 Difference]: With dead ends: 128 [2018-11-10 03:44:54,573 INFO L226 Difference]: Without dead ends: 87 [2018-11-10 03:44:54,574 INFO L605 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 [2018-11-10 03:44:54,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-10 03:44:54,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-10 03:44:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-10 03:44:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-10 03:44:54,581 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-11-10 03:44:54,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:44:54,582 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-10 03:44:54,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:44:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-10 03:44:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 03:44:54,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:44:54,583 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] [2018-11-10 03:44:54,583 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:44:54,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1958472263, now seen corresponding path program 1 times [2018-11-10 03:44:54,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:44:54,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:44:54,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:54,584 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:44:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:54,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:44:54,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:44:54,837 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:44:54,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:44:54,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:44:54,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:44:54,838 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 7 states. [2018-11-10 03:44:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:44:55,535 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2018-11-10 03:44:55,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:44:55,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-10 03:44:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:44:55,541 INFO L225 Difference]: With dead ends: 257 [2018-11-10 03:44:55,541 INFO L226 Difference]: Without dead ends: 198 [2018-11-10 03:44:55,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:44:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-11-10 03:44:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 178. [2018-11-10 03:44:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-11-10 03:44:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2018-11-10 03:44:55,563 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 57 [2018-11-10 03:44:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:44:55,564 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2018-11-10 03:44:55,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:44:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2018-11-10 03:44:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 03:44:55,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:44:55,566 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] [2018-11-10 03:44:55,566 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:44:55,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:55,566 INFO L82 PathProgramCache]: Analyzing trace with hash -428416183, now seen corresponding path program 1 times [2018-11-10 03:44:55,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:44:55,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:55,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:44:55,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:55,567 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:44:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:55,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:44:55,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:44:55,907 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:44:55,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:44:55,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:44:55,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:44:55,908 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand 6 states. [2018-11-10 03:44:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:44:56,392 INFO L93 Difference]: Finished difference Result 460 states and 573 transitions. [2018-11-10 03:44:56,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:44:56,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 03:44:56,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:44:56,396 INFO L225 Difference]: With dead ends: 460 [2018-11-10 03:44:56,397 INFO L226 Difference]: Without dead ends: 310 [2018-11-10 03:44:56,398 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:44:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-11-10 03:44:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 304. [2018-11-10 03:44:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-11-10 03:44:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 366 transitions. [2018-11-10 03:44:56,436 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 366 transitions. Word has length 60 [2018-11-10 03:44:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:44:56,436 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 366 transitions. [2018-11-10 03:44:56,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:44:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 366 transitions. [2018-11-10 03:44:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:44:56,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:44:56,439 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] [2018-11-10 03:44:56,439 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:44:56,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:44:56,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1297418349, now seen corresponding path program 1 times [2018-11-10 03:44:56,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:44:56,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:56,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:44:56,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:44:56,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:44:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:44:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:44:56,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:44:56,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 03:44:56,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:44:56,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:44:56,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:44:56,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:44:56,750 INFO L87 Difference]: Start difference. First operand 304 states and 366 transitions. Second operand 6 states. [2018-11-10 03:44:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:44:56,900 INFO L93 Difference]: Finished difference Result 548 states and 677 transitions. [2018-11-10 03:44:56,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:44:56,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-10 03:44:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:44:56,902 INFO L225 Difference]: With dead ends: 548 [2018-11-10 03:44:56,902 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:44:56,904 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:44:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:44:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:44:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:44:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:44:56,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-10 03:44:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:44:56,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:44:56,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:44:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:44:56,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:44:56,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:44:57,755 WARN L179 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 8 [2018-11-10 03:44:58,391 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 10 [2018-11-10 03:44:58,729 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2018-11-10 03:44:58,729 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2018-11-10 03:44:58,729 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2018-11-10 03:44:58,729 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-10 03:44:58,729 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2018-11-10 03:44:58,729 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2018-11-10 03:44:58,729 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2018-11-10 03:44:58,729 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2018-11-10 03:44:58,730 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2018-11-10 03:44:58,730 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2018-11-10 03:44:58,730 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,730 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,730 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-10 03:44:58,730 INFO L421 ceAbstractionStarter]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,730 INFO L425 ceAbstractionStarter]: For program point L186(lines 185 232) no Hoare annotation was computed. [2018-11-10 03:44:58,730 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 228) no Hoare annotation was computed. [2018-11-10 03:44:58,730 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L421 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L421 ceAbstractionStarter]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,731 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 201) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 191) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 232) no Hoare annotation was computed. [2018-11-10 03:44:58,731 INFO L421 ceAbstractionStarter]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,731 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2018-11-10 03:44:58,732 INFO L421 ceAbstractionStarter]: At program point L447(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 03:44:58,732 INFO L421 ceAbstractionStarter]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-10 03:44:58,732 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,732 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 452) no Hoare annotation was computed. [2018-11-10 03:44:58,732 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2018-11-10 03:44:58,732 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 03:44:58,732 INFO L421 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,732 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,732 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L421 ceAbstractionStarter]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2018-11-10 03:44:58,733 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2018-11-10 03:44:58,733 INFO L421 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 03:44:58,734 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: true [2018-11-10 03:44:58,734 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-11-10 03:44:58,734 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 857) no Hoare annotation was computed. [2018-11-10 03:44:58,734 INFO L421 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 03:44:58,734 INFO L425 ceAbstractionStarter]: For program point L845-1(line 845) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point L843(lines 843 860) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L428 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: true [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2018-11-10 03:44:58,740 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L428 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: true [2018-11-10 03:44:58,741 INFO L421 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: true [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-10 03:44:58,741 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-10 03:44:58,742 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-10 03:44:58,742 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2018-11-10 03:44:58,742 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2018-11-10 03:44:58,742 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2018-11-10 03:44:58,742 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2018-11-10 03:44:58,742 INFO L425 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2018-11-10 03:44:58,750 INFO L428 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2018-11-10 03:44:58,750 INFO L425 ceAbstractionStarter]: For program point L372-1(lines 372 386) no Hoare annotation was computed. [2018-11-10 03:44:58,750 INFO L428 ceAbstractionStarter]: At program point L372-3(lines 372 386) the Hoare annotation is: true [2018-11-10 03:44:58,750 INFO L428 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-11-10 03:44:58,750 INFO L425 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-11-10 03:44:58,750 INFO L428 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2018-11-10 03:44:58,750 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-10 03:44:58,750 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2018-11-10 03:44:58,750 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:44:58,751 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2018-11-10 03:44:58,751 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2018-11-10 03:44:58,751 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: true [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,752 INFO L421 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2018-11-10 03:44:58,752 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2018-11-10 03:44:58,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:44:58 BoogieIcfgContainer [2018-11-10 03:44:58,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:44:58,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:44:58,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:44:58,766 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:44:58,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:44:53" (3/4) ... [2018-11-10 03:44:58,770 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:44:58,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:44:58,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:44:58,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:44:58,776 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:44:58,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:44:58,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:44:58,777 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 03:44:58,778 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:44:58,778 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-10 03:44:58,778 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-10 03:44:58,778 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:44:58,779 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:44:58,780 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:44:58,784 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:44:58,784 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:44:58,798 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-11-10 03:44:58,799 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:44:58,799 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:44:58,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:44:58,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 03:44:58,900 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e2996ee0-c6b3-4482-be7c-06d17dcc8d1d/bin-2019/utaipan/witness.graphml [2018-11-10 03:44:58,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:44:58,901 INFO L168 Benchmark]: Toolchain (without parser) took 6482.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,902 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:44:58,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,903 INFO L168 Benchmark]: Boogie Preprocessor took 35.55 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: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,903 INFO L168 Benchmark]: RCFGBuilder took 1015.69 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: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,903 INFO L168 Benchmark]: TraceAbstraction took 4801.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.2 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,903 INFO L168 Benchmark]: Witness Printer took 135.88 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:44:58,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.39 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.55 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: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1015.69 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: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4801.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.2 MB). Peak memory consumption was 243.9 MB. Max. memory is 11.5 GB. * Witness Printer took 135.88 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 110 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 522 SDtfs, 256 SDslu, 1061 SDs, 0 SdLazy, 238 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 302 PreInvPairs, 343 NumberOfFragments, 409 HoareAnnotationTreeSize, 302 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1231 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 28990 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...