./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/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 c01215307b2c8189e4e6745962a1a26d113e8096 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:06:40,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:06:40,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:06:40,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:06:40,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:06:40,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:06:40,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:06:40,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:06:40,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:06:40,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:06:40,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:06:40,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:06:40,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:06:40,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:06:40,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:06:40,975 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:06:40,975 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:06:40,977 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:06:40,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:06:40,979 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:06:40,980 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:06:40,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:06:40,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:06:40,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:06:40,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:06:40,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:06:40,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:06:40,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:06:40,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:06:40,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:06:40,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:06:40,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:06:40,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:06:40,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:06:40,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:06:40,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:06:40,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:06:40,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:06:40,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:06:40,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:06:40,996 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:06:40,996 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:06:40,996 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:06:40,996 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:06:40,996 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:06:40,997 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:06:40,997 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:06:40,997 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:06:40,997 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:06:40,997 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:06:40,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:06:40,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:06:40,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:06:40,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:06:40,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:06:40,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:06:41,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:06:41,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:06:41,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:06:41,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:06:41,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:06:41,002 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_a381b435-39ec-4b2c-9143-f5ffe78b332f/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2018-11-18 12:06:41,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:06:41,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:06:41,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:06:41,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:06:41,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:06:41,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-11-18 12:06:41,069 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/data/1375c040f/dec9e67fcedf40c99f4b79e5c739a994/FLAG50f6702b6 [2018-11-18 12:06:41,395 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:06:41,396 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/sv-benchmarks/c/product-lines/minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-11-18 12:06:41,402 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/data/1375c040f/dec9e67fcedf40c99f4b79e5c739a994/FLAG50f6702b6 [2018-11-18 12:06:41,410 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/data/1375c040f/dec9e67fcedf40c99f4b79e5c739a994 [2018-11-18 12:06:41,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:06:41,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:06:41,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:41,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:06:41,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:06:41,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41, skipping insertion in model container [2018-11-18 12:06:41,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:06:41,456 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:06:41,641 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:41,649 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:06:41,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:06:41,758 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:06:41,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41 WrapperNode [2018-11-18 12:06:41,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:06:41,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:41,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:06:41,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:06:41,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:06:41,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:06:41,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:06:41,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:06:41,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... [2018-11-18 12:06:41,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:06:41,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:06:41,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:06:41,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:06:41,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:06:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:06:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:06:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:06:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:06:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 12:06:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 12:06:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 12:06:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 12:06:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:06:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:06:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:06:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:06:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:06:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:06:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:06:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:06:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:06:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 12:06:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 12:06:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:06:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:06:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:06:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:06:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:06:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:06:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:06:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:06:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:06:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:06:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:06:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:06:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:06:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:06:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:06:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:06:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:06:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:06:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:06:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:06:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:06:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:06:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:06:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:06:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:06:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:06:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:06:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:06:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:06:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:06:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:06:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:06:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:06:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:06:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:06:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:06:42,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:06:42,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:42 BoogieIcfgContainer [2018-11-18 12:06:42,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:06:42,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:06:42,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:06:42,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:06:42,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:06:41" (1/3) ... [2018-11-18 12:06:42,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5384bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:06:42, skipping insertion in model container [2018-11-18 12:06:42,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:06:41" (2/3) ... [2018-11-18 12:06:42,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5384bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:06:42, skipping insertion in model container [2018-11-18 12:06:42,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:42" (3/3) ... [2018-11-18 12:06:42,294 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31_true-unreach-call_false-termination.cil.c [2018-11-18 12:06:42,302 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:06:42,308 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:06:42,317 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:06:42,339 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:06:42,340 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:06:42,340 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:06:42,340 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:06:42,340 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:06:42,340 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:06:42,340 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:06:42,340 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:06:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-18 12:06:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:06:42,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:42,362 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:06:42,364 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:42,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash 512901599, now seen corresponding path program 1 times [2018-11-18 12:06:42,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:42,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:42,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:42,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:06:42,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:06:42,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:42,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:06:42,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:06:42,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:06:42,569 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-18 12:06:42,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:42,597 INFO L93 Difference]: Finished difference Result 260 states and 327 transitions. [2018-11-18 12:06:42,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:06:42,598 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 12:06:42,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:42,607 INFO L225 Difference]: With dead ends: 260 [2018-11-18 12:06:42,607 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 12:06:42,610 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:06:42,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 12:06:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 12:06:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 12:06:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2018-11-18 12:06:42,648 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 51 [2018-11-18 12:06:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:42,649 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2018-11-18 12:06:42,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:06:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2018-11-18 12:06:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:06:42,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:42,652 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:06:42,653 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:42,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:42,653 INFO L82 PathProgramCache]: Analyzing trace with hash -617777512, now seen corresponding path program 1 times [2018-11-18 12:06:42,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:42,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:42,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:42,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:06:42,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:06:42,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:42,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:06:42,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:06:42,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:06:42,739 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand 3 states. [2018-11-18 12:06:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:42,757 INFO L93 Difference]: Finished difference Result 201 states and 239 transitions. [2018-11-18 12:06:42,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:06:42,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 12:06:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:42,759 INFO L225 Difference]: With dead ends: 201 [2018-11-18 12:06:42,759 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 12:06:42,760 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:06:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 12:06:42,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-18 12:06:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 12:06:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2018-11-18 12:06:42,772 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2018-11-18 12:06:42,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:42,772 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2018-11-18 12:06:42,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:06:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2018-11-18 12:06:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 12:06:42,773 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:42,774 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:06:42,774 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:42,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:42,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1653302213, now seen corresponding path program 1 times [2018-11-18 12:06:42,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:42,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:42,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:42,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:42,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:06:42,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:06:42,885 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:42,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:06:42,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:06:42,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:06:42,886 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 7 states. [2018-11-18 12:06:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:43,202 INFO L93 Difference]: Finished difference Result 362 states and 445 transitions. [2018-11-18 12:06:43,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:06:43,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 12:06:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:43,204 INFO L225 Difference]: With dead ends: 362 [2018-11-18 12:06:43,205 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 12:06:43,205 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:06:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 12:06:43,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2018-11-18 12:06:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-11-18 12:06:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 319 transitions. [2018-11-18 12:06:43,233 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 319 transitions. Word has length 57 [2018-11-18 12:06:43,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:43,233 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 319 transitions. [2018-11-18 12:06:43,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:06:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 319 transitions. [2018-11-18 12:06:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:06:43,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:43,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:06:43,236 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:43,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:43,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1168539788, now seen corresponding path program 1 times [2018-11-18 12:06:43,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:43,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:43,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:43,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:43,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:43,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:06:43,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:06:43,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:43,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:06:43,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:06:43,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:06:43,331 INFO L87 Difference]: Start difference. First operand 260 states and 319 transitions. Second operand 6 states. [2018-11-18 12:06:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:43,466 INFO L93 Difference]: Finished difference Result 706 states and 891 transitions. [2018-11-18 12:06:43,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:06:43,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 12:06:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:43,471 INFO L225 Difference]: With dead ends: 706 [2018-11-18 12:06:43,471 INFO L226 Difference]: Without dead ends: 474 [2018-11-18 12:06:43,473 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:06:43,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-11-18 12:06:43,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 468. [2018-11-18 12:06:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-18 12:06:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 578 transitions. [2018-11-18 12:06:43,509 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 578 transitions. Word has length 63 [2018-11-18 12:06:43,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:43,510 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 578 transitions. [2018-11-18 12:06:43,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:06:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 578 transitions. [2018-11-18 12:06:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:06:43,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:06:43,512 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:06:43,512 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:06:43,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:06:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash -271242456, now seen corresponding path program 1 times [2018-11-18 12:06:43,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:06:43,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:43,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:06:43,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:06:43,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:06:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:06:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:06:43,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:06:43,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:06:43,645 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:06:43,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:06:43,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:06:43,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:06:43,646 INFO L87 Difference]: Start difference. First operand 468 states and 578 transitions. Second operand 7 states. [2018-11-18 12:06:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:06:43,870 INFO L93 Difference]: Finished difference Result 760 states and 965 transitions. [2018-11-18 12:06:43,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:06:43,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 12:06:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:06:43,872 INFO L225 Difference]: With dead ends: 760 [2018-11-18 12:06:43,872 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:06:43,874 INFO L604 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 [2018-11-18 12:06:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:06:43,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:06:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:06:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:06:43,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-11-18 12:06:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:06:43,877 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:06:43,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:06:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:06:43,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:06:43,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:06:44,479 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 361 367) the Hoare annotation is: true [2018-11-18 12:06:44,480 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 361 367) no Hoare annotation was computed. [2018-11-18 12:06:44,480 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 368 376) no Hoare annotation was computed. [2018-11-18 12:06:44,480 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 368 376) the Hoare annotation is: true [2018-11-18 12:06:44,480 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 368 376) no Hoare annotation was computed. [2018-11-18 12:06:44,480 INFO L425 ceAbstractionStarter]: For program point L866-1(lines 866 873) no Hoare annotation was computed. [2018-11-18 12:06:44,480 INFO L425 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-11-18 12:06:44,480 INFO L421 ceAbstractionStarter]: At program point L863(line 863) 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))) [2018-11-18 12:06:44,480 INFO L421 ceAbstractionStarter]: At program point L862(line 862) 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))) [2018-11-18 12:06:44,480 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 856 878) 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))) [2018-11-18 12:06:44,481 INFO L421 ceAbstractionStarter]: At program point L862-1(line 862) 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))) [2018-11-18 12:06:44,481 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 856 878) no Hoare annotation was computed. [2018-11-18 12:06:44,481 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 856 878) no Hoare annotation was computed. [2018-11-18 12:06:44,481 INFO L421 ceAbstractionStarter]: At program point L868(line 868) 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))) [2018-11-18 12:06:44,481 INFO L421 ceAbstractionStarter]: At program point L868-1(line 868) 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))) [2018-11-18 12:06:44,481 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 873) no Hoare annotation was computed. [2018-11-18 12:06:44,482 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,482 INFO L425 ceAbstractionStarter]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2018-11-18 12:06:44,482 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,482 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 165 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,482 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,482 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 181) no Hoare annotation was computed. [2018-11-18 12:06:44,482 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 165 189) no Hoare annotation was computed. [2018-11-18 12:06:44,482 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,482 INFO L425 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-11-18 12:06:44,482 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 186) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 324 338) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L421 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 324 338) 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))))) [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 324 338) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 260 268) the Hoare annotation is: true [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2018-11-18 12:06:44,483 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 305 323) the Hoare annotation is: true [2018-11-18 12:06:44,483 INFO L428 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2018-11-18 12:06:44,483 INFO L425 ceAbstractionStarter]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 354 360) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 354 360) the Hoare annotation is: true [2018-11-18 12:06:44,484 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 845 855) 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))) [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 845 855) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 845 855) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L421 ceAbstractionStarter]: At program point L850(line 850) 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))) [2018-11-18 12:06:44,484 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 249 259) the Hoare annotation is: true [2018-11-18 12:06:44,484 INFO L428 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: true [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2018-11-18 12:06:44,484 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 241 248) the Hoare annotation is: true [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 191 215) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 191 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,485 INFO L421 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point L210-1(lines 191 215) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,485 INFO L421 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point L199(lines 199 207) no Hoare annotation was computed. [2018-11-18 12:06:44,485 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 12:06:44,485 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 212) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2018-11-18 12:06:44,486 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) 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))) [2018-11-18 12:06:44,486 INFO L421 ceAbstractionStarter]: At program point L93(line 93) 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))) [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L421 ceAbstractionStarter]: At program point L91-1(lines 85 98) 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))) [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-18 12:06:44,486 INFO L421 ceAbstractionStarter]: At program point L77(line 77) 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))) [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) 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))) [2018-11-18 12:06:44,487 INFO L421 ceAbstractionStarter]: At program point L67(line 67) 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))) [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 960 968) no Hoare annotation was computed. [2018-11-18 12:06:44,487 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 960 968) the Hoare annotation is: true [2018-11-18 12:06:44,487 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 960 968) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L421 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L766(lines 766 772) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L765(lines 765 775) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L421 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L761(lines 761 778) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L761-1(lines 753 781) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L428 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 753 781) the Hoare annotation is: true [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 753 781) no Hoare annotation was computed. [2018-11-18 12:06:44,488 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 745 752) the Hoare annotation is: true [2018-11-18 12:06:44,488 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 745 752) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 745 752) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L425 ceAbstractionStarter]: For program point L798(lines 798 802) no Hoare annotation was computed. [2018-11-18 12:06:44,489 INFO L428 ceAbstractionStarter]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2018-11-18 12:06:44,490 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2018-11-18 12:06:44,490 INFO L425 ceAbstractionStarter]: For program point L794-1(lines 794 808) no Hoare annotation was computed. [2018-11-18 12:06:44,490 INFO L428 ceAbstractionStarter]: At program point L794-3(lines 794 808) the Hoare annotation is: true [2018-11-18 12:06:44,490 INFO L428 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-11-18 12:06:44,490 INFO L425 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2018-11-18 12:06:44,490 INFO L428 ceAbstractionStarter]: At program point L809(lines 784 813) the Hoare annotation is: true [2018-11-18 12:06:44,490 INFO L425 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2018-11-18 12:06:44,490 INFO L421 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 12:06:44,490 INFO L421 ceAbstractionStarter]: At program point L144(lines 144 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,490 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:06:44,490 INFO L421 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point L137(lines 136 155) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 883 894) the Hoare annotation is: true [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 838 844) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 838 844) the Hoare annotation is: true [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:06:44,491 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 12:06:44,491 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:06:44,491 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:06:44,492 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2018-11-18 12:06:44,492 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: true [2018-11-18 12:06:44,492 INFO L425 ceAbstractionStarter]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2018-11-18 12:06:44,492 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 112 119) no Hoare annotation was computed. [2018-11-18 12:06:44,492 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 112 119) the Hoare annotation is: true [2018-11-18 12:06:44,492 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2018-11-18 12:06:44,492 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 112 119) no Hoare annotation was computed. [2018-11-18 12:06:44,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:06:44 BoogieIcfgContainer [2018-11-18 12:06:44,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:06:44,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:06:44,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:06:44,502 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:06:44,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:06:42" (3/4) ... [2018-11-18 12:06:44,505 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:06:44,511 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:06:44,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:06:44,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:06:44,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:06:44,518 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 12:06:44,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:06:44,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:06:44,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:06:44,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:06:44,574 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a381b435-39ec-4b2c-9143-f5ffe78b332f/bin-2019/utaipan/witness.graphml [2018-11-18 12:06:44,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:06:44,575 INFO L168 Benchmark]: Toolchain (without parser) took 3162.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.1 MB in the beginning and 877.3 MB in the end (delta: 74.9 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:44,576 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:06:44,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:44,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.46 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. [2018-11-18 12:06:44,576 INFO L168 Benchmark]: Boogie Preprocessor took 31.81 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. [2018-11-18 12:06:44,576 INFO L168 Benchmark]: RCFGBuilder took 466.86 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:44,577 INFO L168 Benchmark]: TraceAbstraction took 2213.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 172.6 MB). Peak memory consumption was 172.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:44,577 INFO L168 Benchmark]: Witness Printer took 72.52 ms. Allocated memory is still 1.2 GB. Free memory was 887.8 MB in the beginning and 877.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:06:44,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.46 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 31.81 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 466.86 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2213.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 172.6 MB). Peak memory consumption was 172.6 MB. Max. memory is 11.5 GB. * Witness Printer took 72.52 ms. Allocated memory is still 1.2 GB. Free memory was 887.8 MB in the beginning and 877.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: 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, 145 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 732 SDtfs, 431 SDslu, 1400 SDs, 0 SdLazy, 467 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=468occurred 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, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 30956 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...