./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:04:30,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:04:30,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:04:30,085 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:04:30,085 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:04:30,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:04:30,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:04:30,088 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:04:30,088 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:04:30,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:04:30,089 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:04:30,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:04:30,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:04:30,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:04:30,091 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:04:30,092 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:04:30,092 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:04:30,093 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:04:30,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:04:30,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:04:30,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:04:30,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:04:30,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:04:30,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:04:30,097 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:04:30,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:04:30,098 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:04:30,099 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:04:30,099 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:04:30,100 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:04:30,100 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:04:30,101 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:04:30,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:04:30,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:04:30,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:04:30,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:04:30,102 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:04:30,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:04:30,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:04:30,110 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:04:30,110 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:04:30,110 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:04:30,110 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:04:30,110 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:04:30,111 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:04:30,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:04:30,112 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:04:30,113 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:04:30,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:04:30,114 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:04:30,114 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:04:30,114 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_62e0d682-0986-4f52-a785-940e529300e0/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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2018-12-09 01:04:30,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:04:30,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:04:30,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:04:30,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:04:30,141 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:04:30,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-12-09 01:04:30,175 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/data/0d2960242/49c6d65628a64abe8d523c6ceed7e824/FLAG45676c309 [2018-12-09 01:04:30,614 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:04:30,615 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/sv-benchmarks/c/product-lines/minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-12-09 01:04:30,621 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/data/0d2960242/49c6d65628a64abe8d523c6ceed7e824/FLAG45676c309 [2018-12-09 01:04:30,629 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/data/0d2960242/49c6d65628a64abe8d523c6ceed7e824 [2018-12-09 01:04:30,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:04:30,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:04:30,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:04:30,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:04:30,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:04:30,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30, skipping insertion in model container [2018-12-09 01:04:30,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:04:30,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:04:30,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:04:30,832 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:04:30,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:04:30,938 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:04:30,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30 WrapperNode [2018-12-09 01:04:30,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:04:30,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:04:30,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:04:30,939 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:04:30,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:04:30,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:04:30,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:04:30,959 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:04:30,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... [2018-12-09 01:04:30,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:04:30,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:04:30,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:04:30,979 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:04:30,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:04:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 01:04:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 01:04:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:04:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:04:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 01:04:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 01:04:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 01:04:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 01:04:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 01:04:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 01:04:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 01:04:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 01:04:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 01:04:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 01:04:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 01:04:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:04:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:04:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 01:04:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 01:04:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 01:04:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 01:04:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:04:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:04:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 01:04:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 01:04:31,293 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:04:31,294 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 01:04:31,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:31 BoogieIcfgContainer [2018-12-09 01:04:31,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:04:31,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:04:31,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:04:31,296 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:04:31,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:04:30" (1/3) ... [2018-12-09 01:04:31,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd7ef81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:04:31, skipping insertion in model container [2018-12-09 01:04:31,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:30" (2/3) ... [2018-12-09 01:04:31,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd7ef81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:04:31, skipping insertion in model container [2018-12-09 01:04:31,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:31" (3/3) ... [2018-12-09 01:04:31,298 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32_true-unreach-call_false-termination.cil.c [2018-12-09 01:04:31,304 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:04:31,309 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:04:31,318 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:04:31,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:04:31,336 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:04:31,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:04:31,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:04:31,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:04:31,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:04:31,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:04:31,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:04:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-09 01:04:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 01:04:31,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:04:31,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:04:31,355 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:04:31,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:04:31,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1885953353, now seen corresponding path program 1 times [2018-12-09 01:04:31,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:04:31,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:04:31,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:04:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:04:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:04:31,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:04:31,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:04:31,501 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:04:31,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:04:31,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:04:31,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:04:31,513 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-09 01:04:31,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:04:31,536 INFO L93 Difference]: Finished difference Result 258 states and 323 transitions. [2018-12-09 01:04:31,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:04:31,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 01:04:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:04:31,544 INFO L225 Difference]: With dead ends: 258 [2018-12-09 01:04:31,544 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 01:04:31,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:04:31,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 01:04:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-09 01:04:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 01:04:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2018-12-09 01:04:31,578 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2018-12-09 01:04:31,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:04:31,578 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2018-12-09 01:04:31,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:04:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2018-12-09 01:04:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 01:04:31,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:04:31,580 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:04:31,580 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:04:31,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:04:31,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1237749138, now seen corresponding path program 1 times [2018-12-09 01:04:31,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:04:31,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:04:31,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:04:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:04:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:04:31,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:04:31,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:04:31,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:04:31,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:04:31,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:04:31,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:04:31,636 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 3 states. [2018-12-09 01:04:31,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:04:31,648 INFO L93 Difference]: Finished difference Result 197 states and 233 transitions. [2018-12-09 01:04:31,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:04:31,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 01:04:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:04:31,650 INFO L225 Difference]: With dead ends: 197 [2018-12-09 01:04:31,650 INFO L226 Difference]: Without dead ends: 120 [2018-12-09 01:04:31,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:04:31,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-09 01:04:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-09 01:04:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-09 01:04:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2018-12-09 01:04:31,659 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2018-12-09 01:04:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:04:31,659 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2018-12-09 01:04:31,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:04:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2018-12-09 01:04:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 01:04:31,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:04:31,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:04:31,660 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:04:31,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:04:31,661 INFO L82 PathProgramCache]: Analyzing trace with hash 298628235, now seen corresponding path program 1 times [2018-12-09 01:04:31,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:04:31,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:04:31,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:31,662 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:04:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:04:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:04:31,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:04:31,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:04:31,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:04:31,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:04:31,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:04:31,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:04:31,725 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 7 states. [2018-12-09 01:04:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:04:31,978 INFO L93 Difference]: Finished difference Result 362 states and 443 transitions. [2018-12-09 01:04:31,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:04:31,979 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 01:04:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:04:31,981 INFO L225 Difference]: With dead ends: 362 [2018-12-09 01:04:31,982 INFO L226 Difference]: Without dead ends: 266 [2018-12-09 01:04:31,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:04:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-09 01:04:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 254. [2018-12-09 01:04:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-12-09 01:04:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2018-12-09 01:04:32,010 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2018-12-09 01:04:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:04:32,010 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2018-12-09 01:04:32,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:04:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2018-12-09 01:04:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 01:04:32,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:04:32,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:04:32,013 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:04:32,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:04:32,014 INFO L82 PathProgramCache]: Analyzing trace with hash -556417284, now seen corresponding path program 1 times [2018-12-09 01:04:32,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:04:32,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:32,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:04:32,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:32,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:04:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:04:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:04:32,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:04:32,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:04:32,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:04:32,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:04:32,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:04:32,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:04:32,097 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 6 states. [2018-12-09 01:04:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:04:32,214 INFO L93 Difference]: Finished difference Result 699 states and 878 transitions. [2018-12-09 01:04:32,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:04:32,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 01:04:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:04:32,217 INFO L225 Difference]: With dead ends: 699 [2018-12-09 01:04:32,217 INFO L226 Difference]: Without dead ends: 469 [2018-12-09 01:04:32,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:04:32,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-12-09 01:04:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2018-12-09 01:04:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-12-09 01:04:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2018-12-09 01:04:32,250 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2018-12-09 01:04:32,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:04:32,251 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2018-12-09 01:04:32,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:04:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2018-12-09 01:04:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 01:04:32,254 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:04:32,254 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] [2018-12-09 01:04:32,254 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:04:32,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:04:32,254 INFO L82 PathProgramCache]: Analyzing trace with hash -2038379104, now seen corresponding path program 1 times [2018-12-09 01:04:32,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:04:32,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:32,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:04:32,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:04:32,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:04:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:04:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:04:32,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:04:32,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:04:32,324 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:04:32,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:04:32,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:04:32,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:04:32,325 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 7 states. [2018-12-09 01:04:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:04:32,511 INFO L93 Difference]: Finished difference Result 757 states and 956 transitions. [2018-12-09 01:04:32,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:04:32,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 01:04:32,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:04:32,512 INFO L225 Difference]: With dead ends: 757 [2018-12-09 01:04:32,512 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:04:32,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:04:32,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:04:32,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:04:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:04:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:04:32,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-09 01:04:32,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:04:32,515 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:04:32,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:04:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:04:32,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:04:32,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:04:33,082 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 523 529) the Hoare annotation is: true [2018-12-09 01:04:33,082 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 523 529) no Hoare annotation was computed. [2018-12-09 01:04:33,082 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 530 538) no Hoare annotation was computed. [2018-12-09 01:04:33,082 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 530 538) the Hoare annotation is: true [2018-12-09 01:04:33,082 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 530 538) no Hoare annotation was computed. [2018-12-09 01:04:33,082 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 943 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L955-1(line 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 960) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 943 965) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point L953-1(lines 953 960) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point L951(line 951) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L950(line 950) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 943 965) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,083 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,083 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,084 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 679 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L444 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 679 703) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 700) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 838 852) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 838 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 838 852) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-12-09 01:04:33,084 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L451 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 516 522) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 516 522) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 933 942) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 933 942) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 933 942) no Hoare annotation was computed. [2018-12-09 01:04:33,085 INFO L451 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2018-12-09 01:04:33,085 INFO L448 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point L719(line 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 671 677) no Hoare annotation was computed. [2018-12-09 01:04:33,086 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 671 677) the Hoare annotation is: true [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 572 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,086 INFO L444 ceAbstractionStarter]: At program point L632(lines 581 633) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 572 639) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 626) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L620-1(lines 612 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L583(lines 582 631) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 627) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L602(lines 602 608) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L629(lines 582 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 598) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 572 639) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-12-09 01:04:33,087 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L451 ceAbstractionStarter]: At program point L897(lines 872 901) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 872 901) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 872 901) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 890) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L451 ceAbstractionStarter]: At program point L886-1(lines 886 890) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L451 ceAbstractionStarter]: At program point L882-2(lines 882 896) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-12-09 01:04:33,088 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-09 01:04:33,088 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 01:04:33,088 INFO L444 ceAbstractionStarter]: At program point L658(lines 658 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,088 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:04:33,089 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point L651(lines 650 669) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 926 932) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 926 932) the Hoare annotation is: true [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 01:04:33,089 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2018-12-09 01:04:33,089 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: true [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 862 869) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 862 869) the Hoare annotation is: true [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 862 869) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 542 566) the Hoare annotation is: true [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 542 566) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L444 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 560) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 563) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 542 566) no Hoare annotation was computed. [2018-12-09 01:04:33,090 INFO L451 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2018-12-09 01:04:33,090 INFO L448 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2018-12-09 01:04:33,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:04:33 BoogieIcfgContainer [2018-12-09 01:04:33,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:04:33,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:04:33,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:04:33,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:04:33,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:31" (3/4) ... [2018-12-09 01:04:33,101 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 01:04:33,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 01:04:33,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 01:04:33,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 01:04:33,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 01:04:33,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 01:04:33,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 01:04:33,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:04:33,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:04:33,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 01:04:33,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 01:04:33,154 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62e0d682-0986-4f52-a785-940e529300e0/bin-2019/utaipan/witness.graphml [2018-12-09 01:04:33,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:04:33,155 INFO L168 Benchmark]: Toolchain (without parser) took 2523.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 889.4 MB in the end (delta: 62.3 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,155 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:04:33,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:04:33,156 INFO L168 Benchmark]: Boogie Preprocessor took 20.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,156 INFO L168 Benchmark]: RCFGBuilder took 314.68 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,156 INFO L168 Benchmark]: TraceAbstraction took 1803.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 167.3 MB). Peak memory consumption was 167.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,156 INFO L168 Benchmark]: Witness Printer took 55.67 ms. Allocated memory is still 1.2 GB. Free memory was 896.3 MB in the beginning and 889.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:04:33,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.48 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 20.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.68 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1803.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 167.3 MB). Peak memory consumption was 167.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.67 ms. Allocated memory is still 1.2 GB. Free memory was 896.3 MB in the beginning and 889.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: 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: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 719 SDtfs, 492 SDslu, 1303 SDs, 0 SdLazy, 472 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 590 PreInvPairs, 637 NumberOfFragments, 548 HoareAnnotationTreeSize, 590 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2103 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 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...