./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/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 04a2c328d9e0793c06665765e370a46edcd58ae6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:54:29,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:54:29,030 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:54:29,037 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:54:29,037 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:54:29,038 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:54:29,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:54:29,040 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:54:29,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:54:29,041 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:54:29,042 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:54:29,042 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:54:29,043 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:54:29,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:54:29,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:54:29,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:54:29,045 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:54:29,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:54:29,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:54:29,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:54:29,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:54:29,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:54:29,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:54:29,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:54:29,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:54:29,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:54:29,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:54:29,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:54:29,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:54:29,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:54:29,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:54:29,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:54:29,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:54:29,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:54:29,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:54:29,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:54:29,056 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:54:29,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:54:29,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:54:29,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:54:29,064 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:54:29,065 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:54:29,065 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:54:29,066 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:54:29,066 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:54:29,066 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:54:29,066 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:54:29,066 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:54:29,067 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:54:29,068 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:54:29,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:54:29,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:54:29,069 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:54:29,069 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_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2018-11-22 23:54:29,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:54:29,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:54:29,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:54:29,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:54:29,103 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:54:29,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-22 23:54:29,137 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/data/0255a7355/13308eee65ef41efa621ceca8e2a9d84/FLAG8fb6ef6be [2018-11-22 23:54:29,551 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:54:29,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/sv-benchmarks/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-22 23:54:29,558 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/data/0255a7355/13308eee65ef41efa621ceca8e2a9d84/FLAG8fb6ef6be [2018-11-22 23:54:29,566 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/data/0255a7355/13308eee65ef41efa621ceca8e2a9d84 [2018-11-22 23:54:29,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:54:29,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:54:29,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:54:29,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:54:29,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:54:29,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29, skipping insertion in model container [2018-11-22 23:54:29,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:54:29,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:54:29,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:54:29,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:54:29,903 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:54:29,925 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:54:29,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29 WrapperNode [2018-11-22 23:54:29,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:54:29,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:54:29,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:54:29,926 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:54:29,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:54:29,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:54:29,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:54:29,954 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:54:29,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... [2018-11-22 23:54:29,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:54:29,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:54:29,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:54:29,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:54:29,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/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 [2018-11-22 23:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 23:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 23:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 23:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:54:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:54:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:54:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:54:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:54:30,459 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:54:30,459 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:54:30,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:54:30 BoogieIcfgContainer [2018-11-22 23:54:30,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:54:30,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:54:30,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:54:30,463 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:54:30,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:54:29" (1/3) ... [2018-11-22 23:54:30,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489e9454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:54:30, skipping insertion in model container [2018-11-22 23:54:30,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:54:29" (2/3) ... [2018-11-22 23:54:30,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489e9454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:54:30, skipping insertion in model container [2018-11-22 23:54:30,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:54:30" (3/3) ... [2018-11-22 23:54:30,465 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-22 23:54:30,474 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:54:30,480 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:54:30,493 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:54:30,519 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:54:30,519 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:54:30,519 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:54:30,519 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:54:30,519 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:54:30,519 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:54:30,519 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:54:30,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:54:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-22 23:54:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:54:30,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:54:30,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:54:30,545 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:54:30,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:54:30,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1045258445, now seen corresponding path program 1 times [2018-11-22 23:54:30,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:54:30,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:54:30,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:54:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:54:30,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:54:30,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:54:30,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:54:30,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:54:30,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:54:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:54:30,750 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-22 23:54:30,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:54:30,775 INFO L93 Difference]: Finished difference Result 256 states and 323 transitions. [2018-11-22 23:54:30,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:54:30,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-22 23:54:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:54:30,783 INFO L225 Difference]: With dead ends: 256 [2018-11-22 23:54:30,784 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 23:54:30,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:54:30,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 23:54:30,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-22 23:54:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 23:54:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2018-11-22 23:54:30,831 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2018-11-22 23:54:30,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:54:30,832 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2018-11-22 23:54:30,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:54:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2018-11-22 23:54:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:54:30,834 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:54:30,835 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] [2018-11-22 23:54:30,835 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:54:30,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:54:30,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1150827369, now seen corresponding path program 1 times [2018-11-22 23:54:30,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:54:30,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:54:30,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:54:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:54:30,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:54:30,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:54:30,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:54:30,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:54:30,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:54:30,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:54:30,924 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 3 states. [2018-11-22 23:54:30,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:54:30,942 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2018-11-22 23:54:30,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:54:30,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 23:54:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:54:30,944 INFO L225 Difference]: With dead ends: 199 [2018-11-22 23:54:30,944 INFO L226 Difference]: Without dead ends: 121 [2018-11-22 23:54:30,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:54:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-22 23:54:30,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-22 23:54:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-22 23:54:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2018-11-22 23:54:30,956 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2018-11-22 23:54:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:54:30,956 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2018-11-22 23:54:30,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:54:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-11-22 23:54:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 23:54:30,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:54:30,958 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] [2018-11-22 23:54:30,958 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:54:30,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:54:30,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1069623512, now seen corresponding path program 1 times [2018-11-22 23:54:30,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:54:30,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:54:30,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:30,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:54:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:54:31,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:54:31,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:54:31,086 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:54:31,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:54:31,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:54:31,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:54:31,088 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 7 states. [2018-11-22 23:54:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:54:31,494 INFO L93 Difference]: Finished difference Result 358 states and 441 transitions. [2018-11-22 23:54:31,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:54:31,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-22 23:54:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:54:31,498 INFO L225 Difference]: With dead ends: 358 [2018-11-22 23:54:31,498 INFO L226 Difference]: Without dead ends: 265 [2018-11-22 23:54:31,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:54:31,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-22 23:54:31,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2018-11-22 23:54:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-22 23:54:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2018-11-22 23:54:31,529 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 56 [2018-11-22 23:54:31,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:54:31,530 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2018-11-22 23:54:31,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:54:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2018-11-22 23:54:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 23:54:31,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:54:31,532 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] [2018-11-22 23:54:31,532 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:54:31,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:54:31,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1036471428, now seen corresponding path program 1 times [2018-11-22 23:54:31,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:54:31,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:31,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:54:31,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:31,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:54:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:54:31,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:54:31,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:54:31,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:54:31,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:54:31,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:54:31,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:54:31,647 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand 6 states. [2018-11-22 23:54:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:54:31,808 INFO L93 Difference]: Finished difference Result 697 states and 882 transitions. [2018-11-22 23:54:31,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:54:31,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-22 23:54:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:54:31,811 INFO L225 Difference]: With dead ends: 697 [2018-11-22 23:54:31,811 INFO L226 Difference]: Without dead ends: 468 [2018-11-22 23:54:31,812 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 [2018-11-22 23:54:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-11-22 23:54:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 462. [2018-11-22 23:54:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-22 23:54:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 572 transitions. [2018-11-22 23:54:31,847 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 572 transitions. Word has length 62 [2018-11-22 23:54:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:54:31,848 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 572 transitions. [2018-11-22 23:54:31,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:54:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 572 transitions. [2018-11-22 23:54:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-22 23:54:31,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:54:31,852 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] [2018-11-22 23:54:31,853 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:54:31,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:54:31,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1145909464, now seen corresponding path program 1 times [2018-11-22 23:54:31,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:54:31,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:31,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:54:31,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:54:31,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:54:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:54:31,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:54:31,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:54:31,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:54:31,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:54:31,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:54:31,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:54:31,965 INFO L87 Difference]: Start difference. First operand 462 states and 572 transitions. Second operand 7 states. [2018-11-22 23:54:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:54:32,305 INFO L93 Difference]: Finished difference Result 748 states and 953 transitions. [2018-11-22 23:54:32,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:54:32,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-22 23:54:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:54:32,307 INFO L225 Difference]: With dead ends: 748 [2018-11-22 23:54:32,307 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:54:32,309 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 [2018-11-22 23:54:32,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:54:32,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:54:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:54:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:54:32,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-22 23:54:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:54:32,310 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:54:32,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:54:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:54:32,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:54:32,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:54:32,951 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2018-11-22 23:54:32,951 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-22 23:54:32,952 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2018-11-22 23:54:32,952 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2018-11-22 23:54:32,952 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2018-11-22 23:54:32,952 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 929 951) 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))) [2018-11-22 23:54:32,952 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2018-11-22 23:54:32,952 INFO L444 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:54:32,952 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2018-11-22 23:54:32,952 INFO L444 ceAbstractionStarter]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:54:32,952 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 946) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L444 ceAbstractionStarter]: At program point L936(line 936) 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))) [2018-11-22 23:54:32,953 INFO L444 ceAbstractionStarter]: At program point L935(line 935) 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))) [2018-11-22 23:54:32,953 INFO L444 ceAbstractionStarter]: At program point L935-1(line 935) 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))) [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L444 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 812) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 802 816) 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))))) [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2018-11-22 23:54:32,953 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L451 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2018-11-22 23:54:32,954 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2018-11-22 23:54:32,954 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 918 928) 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))) [2018-11-22 23:54:32,955 INFO L444 ceAbstractionStarter]: At program point L923(line 923) 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))) [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2018-11-22 23:54:32,955 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2018-11-22 23:54:32,955 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,955 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,956 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,956 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2018-11-22 23:54:32,956 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) 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))) [2018-11-22 23:54:32,956 INFO L444 ceAbstractionStarter]: At program point L603(line 603) 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))) [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L601(lines 601 607) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L444 ceAbstractionStarter]: At program point L601-1(lines 595 608) 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))) [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L444 ceAbstractionStarter]: At program point L587(line 587) 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))) [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-11-22 23:54:32,957 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) 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))) [2018-11-22 23:54:32,957 INFO L444 ceAbstractionStarter]: At program point L577(line 577) 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))) [2018-11-22 23:54:32,957 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 169) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-22 23:54:32,958 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 172) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L451 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: true [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-22 23:54:32,959 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:54:32,959 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-22 23:54:32,959 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L451 ceAbstractionStarter]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L451 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: true [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2018-11-22 23:54:32,960 INFO L451 ceAbstractionStarter]: At program point L882(lines 857 886) the Hoare annotation is: true [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2018-11-22 23:54:32,960 INFO L451 ceAbstractionStarter]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2018-11-22 23:54:32,960 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:54:32,961 INFO L444 ceAbstractionStarter]: At program point L639(lines 639 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,961 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point L632(lines 631 650) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-22 23:54:32,961 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-22 23:54:32,962 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-11-22 23:54:32,962 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 676) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,963 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 681) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:54:32,963 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2018-11-22 23:54:32,963 INFO L444 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-22 23:54:32,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:54:32 BoogieIcfgContainer [2018-11-22 23:54:32,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:54:32,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:54:32,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:54:32,980 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:54:32,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:54:30" (3/4) ... [2018-11-22 23:54:32,984 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:54:32,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:54:32,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:54:32,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:54:32,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:54:32,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 23:54:32,997 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 23:54:32,997 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:54:32,997 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:54:32,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:54:32,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:54:32,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:54:32,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:54:33,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:54:33,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:54:33,054 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7cc8d02c-ace9-4d0d-aa4c-a56057489f7e/bin-2019/utaipan/witness.graphml [2018-11-22 23:54:33,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:54:33,055 INFO L168 Benchmark]: Toolchain (without parser) took 3486.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.6 MB in the beginning and 877.7 MB in the end (delta: 78.9 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,055 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:54:33,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:54:33,056 INFO L168 Benchmark]: Boogie Preprocessor took 29.42 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,056 INFO L168 Benchmark]: RCFGBuilder took 475.84 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,056 INFO L168 Benchmark]: TraceAbstraction took 2519.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 170.9 MB). Peak memory consumption was 170.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,057 INFO L168 Benchmark]: Witness Printer took 74.36 ms. Allocated memory is still 1.2 GB. Free memory was 888.1 MB in the beginning and 877.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:33,058 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.89 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 29.42 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 475.84 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2519.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 170.9 MB). Peak memory consumption was 170.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.36 ms. Allocated memory is still 1.2 GB. Free memory was 888.1 MB in the beginning and 877.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 429 SDslu, 1387 SDs, 0 SdLazy, 467 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 584 PreInvPairs, 629 NumberOfFragments, 551 HoareAnnotationTreeSize, 584 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2097 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29734 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...