./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_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_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:28:17,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:28:17,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:28:17,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:28:17,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:28:17,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:28:17,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:28:17,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:28:18,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:28:18,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:28:18,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:28:18,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:28:18,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:28:18,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:28:18,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:28:18,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:28:18,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:28:18,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:28:18,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:28:18,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:28:18,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:28:18,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:28:18,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:28:18,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:28:18,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:28:18,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:28:18,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:28:18,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:28:18,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:28:18,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:28:18,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:28:18,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:28:18,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:28:18,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:28:18,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:28:18,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:28:18,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:28:18,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:28:18,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:28:18,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:28:18,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:28:18,031 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:28:18,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:28:18,031 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:28:18,031 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:28:18,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:28:18,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:28:18,032 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:28:18,032 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:28:18,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:28:18,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:28:18,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:28:18,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:28:18,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:28:18,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:28:18,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:28:18,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:28:18,036 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:28:18,036 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_e372e299-2351-4ea5-af39-57be6439342d/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-11-18 09:28:18,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:28:18,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:28:18,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:28:18,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:28:18,069 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:28:18,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 09:28:18,106 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/data/bdb51fddb/26aa44ecbd4d4dcdb778b315b19b0b1d/FLAG1704e8b64 [2018-11-18 09:28:18,478 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:28:18,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 09:28:18,488 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/data/bdb51fddb/26aa44ecbd4d4dcdb778b315b19b0b1d/FLAG1704e8b64 [2018-11-18 09:28:18,865 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/data/bdb51fddb/26aa44ecbd4d4dcdb778b315b19b0b1d [2018-11-18 09:28:18,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:28:18,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:28:18,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:18,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:28:18,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:28:18,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:18" (1/1) ... [2018-11-18 09:28:18,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc90172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:18, skipping insertion in model container [2018-11-18 09:28:18,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:18" (1/1) ... [2018-11-18 09:28:18,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:28:18,908 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:28:19,103 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:19,111 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:28:19,211 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:19,226 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:28:19,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19 WrapperNode [2018-11-18 09:28:19,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:19,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:28:19,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:28:19,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:28:19,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:28:19,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:28:19,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:28:19,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:28:19,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... [2018-11-18 09:28:19,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:28:19,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:28:19,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:28:19,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:28:19,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/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 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:28:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:28:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:28:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:28:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:28:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:28:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:28:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:28:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:28:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:28:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:28:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:28:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:28:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:28:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:28:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:28:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:28:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:28:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:28:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:28:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:28:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:28:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:28:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:28:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:28:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:28:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:28:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:28:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:28:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:28:19,777 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:28:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:19 BoogieIcfgContainer [2018-11-18 09:28:19,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:28:19,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:28:19,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:28:19,782 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:28:19,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:28:18" (1/3) ... [2018-11-18 09:28:19,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a0c53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:19, skipping insertion in model container [2018-11-18 09:28:19,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:19" (2/3) ... [2018-11-18 09:28:19,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a0c53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:19, skipping insertion in model container [2018-11-18 09:28:19,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:19" (3/3) ... [2018-11-18 09:28:19,784 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-18 09:28:19,792 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:28:19,801 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:28:19,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:28:19,838 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:28:19,838 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:28:19,838 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:28:19,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:28:19,839 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:28:19,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:28:19,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:28:19,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:28:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-18 09:28:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:28:19,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:19,862 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] [2018-11-18 09:28:19,864 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:28:19,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:19,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1146562886, now seen corresponding path program 1 times [2018-11-18 09:28:19,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:28:19,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:19,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:19,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:19,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:28:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:20,070 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 09:28:20,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:20,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:20,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:28:20,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:28:20,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:28:20,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:28:20,086 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-18 09:28:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:20,110 INFO L93 Difference]: Finished difference Result 212 states and 263 transitions. [2018-11-18 09:28:20,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:28:20,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 09:28:20,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:20,119 INFO L225 Difference]: With dead ends: 212 [2018-11-18 09:28:20,119 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 09:28:20,121 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 09:28:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 09:28:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 09:28:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 09:28:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-11-18 09:28:20,151 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 46 [2018-11-18 09:28:20,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:20,151 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-11-18 09:28:20,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:28:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-11-18 09:28:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:28:20,153 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:20,153 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] [2018-11-18 09:28:20,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:28:20,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1718456756, now seen corresponding path program 1 times [2018-11-18 09:28:20,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:28:20,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:20,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:28:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:20,263 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 09:28:20,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:20,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:28:20,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:28:20,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:20,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:20,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:20,266 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2018-11-18 09:28:20,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:20,283 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2018-11-18 09:28:20,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:20,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 09:28:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:20,286 INFO L225 Difference]: With dead ends: 159 [2018-11-18 09:28:20,286 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 09:28:20,287 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 09:28:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 09:28:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 09:28:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 09:28:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-18 09:28:20,296 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 48 [2018-11-18 09:28:20,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:20,296 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-18 09:28:20,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-18 09:28:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:28:20,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:20,298 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] [2018-11-18 09:28:20,298 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:28:20,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1853926035, now seen corresponding path program 1 times [2018-11-18 09:28:20,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:28:20,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:20,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:28:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:20,405 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 09:28:20,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:20,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:28:20,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:28:20,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:28:20,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:28:20,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:28:20,407 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 7 states. [2018-11-18 09:28:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:20,656 INFO L93 Difference]: Finished difference Result 168 states and 197 transitions. [2018-11-18 09:28:20,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:28:20,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 09:28:20,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:20,658 INFO L225 Difference]: With dead ends: 168 [2018-11-18 09:28:20,658 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 09:28:20,659 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 09:28:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 09:28:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 09:28:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 09:28:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2018-11-18 09:28:20,665 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2018-11-18 09:28:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:20,665 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2018-11-18 09:28:20,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:28:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2018-11-18 09:28:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:28:20,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:20,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:20,667 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:28:20,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:20,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1236500957, now seen corresponding path program 1 times [2018-11-18 09:28:20,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:28:20,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:20,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:20,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:28:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:20,785 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 09:28:20,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:20,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:28:20,785 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:28:20,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:28:20,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:28:20,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:28:20,786 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 6 states. [2018-11-18 09:28:21,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:21,018 INFO L93 Difference]: Finished difference Result 233 states and 276 transitions. [2018-11-18 09:28:21,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:21,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 09:28:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:21,022 INFO L225 Difference]: With dead ends: 233 [2018-11-18 09:28:21,022 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 09:28:21,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:28:21,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 09:28:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2018-11-18 09:28:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 09:28:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 184 transitions. [2018-11-18 09:28:21,040 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 184 transitions. Word has length 60 [2018-11-18 09:28:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:21,040 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 184 transitions. [2018-11-18 09:28:21,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:28:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 184 transitions. [2018-11-18 09:28:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:28:21,042 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,042 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,043 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:28:21,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1166163583, now seen corresponding path program 1 times [2018-11-18 09:28:21,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:28:21,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:28:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:21,134 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 09:28:21,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:21,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:28:21,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:28:21,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:28:21,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:28:21,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:28:21,137 INFO L87 Difference]: Start difference. First operand 159 states and 184 transitions. Second operand 7 states. [2018-11-18 09:28:21,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:21,455 INFO L93 Difference]: Finished difference Result 249 states and 296 transitions. [2018-11-18 09:28:21,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:21,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-18 09:28:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:21,456 INFO L225 Difference]: With dead ends: 249 [2018-11-18 09:28:21,457 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:28:21,458 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 09:28:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:28:21,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:28:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:28:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:28:21,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 09:28:21,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:21,459 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:28:21,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:28:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:28:21,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:28:21,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:28:21,960 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2018-11-18 09:28:21,960 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2018-11-18 09:28:21,960 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2018-11-18 09:28:21,960 INFO L421 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,960 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2018-11-18 09:28:21,960 INFO L421 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,960 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2018-11-18 09:28:21,960 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,960 INFO L425 ceAbstractionStarter]: For program point L596(lines 596 604) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,961 INFO L421 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point L594-1(line 594) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 609) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-11-18 09:28:21,961 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-11-18 09:28:21,961 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-11-18 09:28:21,962 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,962 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2018-11-18 09:28:21,962 INFO L421 ceAbstractionStarter]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,962 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 845) no Hoare annotation was computed. [2018-11-18 09:28:21,962 INFO L421 ceAbstractionStarter]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:28:21,962 INFO L425 ceAbstractionStarter]: For program point L806(lines 805 850) no Hoare annotation was computed. [2018-11-18 09:28:21,962 INFO L425 ceAbstractionStarter]: For program point L835(lines 835 846) no Hoare annotation was computed. [2018-11-18 09:28:21,962 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:28:21,962 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:28:21,963 INFO L421 ceAbstractionStarter]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 821) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point L805-1(lines 805 850) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2018-11-18 09:28:21,963 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,963 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-11-18 09:28:21,964 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,964 INFO L421 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,964 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-11-18 09:28:21,964 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-11-18 09:28:21,964 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-11-18 09:28:21,964 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 09:28:21,964 INFO L421 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,964 INFO L421 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,964 INFO L421 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:28:21,965 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2018-11-18 09:28:21,965 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L428 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,966 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2018-11-18 09:28:21,966 INFO L421 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,966 INFO L421 ceAbstractionStarter]: At program point L567(lines 567 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,966 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point L560(lines 559 578) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L428 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-11-18 09:28:21,967 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 447 461) no Hoare annotation was computed. [2018-11-18 09:28:21,967 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-11-18 09:28:21,967 INFO L428 ceAbstractionStarter]: At program point L447-3(lines 447 461) the Hoare annotation is: true [2018-11-18 09:28:21,968 INFO L428 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L428 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2018-11-18 09:28:21,968 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-11-18 09:28:21,969 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-11-18 09:28:21,969 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:28:21,969 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 09:28:21,969 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2018-11-18 09:28:21,969 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: true [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2018-11-18 09:28:21,969 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-11-18 09:28:21,970 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-11-18 09:28:21,970 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-11-18 09:28:21,970 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-11-18 09:28:21,970 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:28:21,970 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-11-18 09:28:21,970 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-11-18 09:28:21,970 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 09:28:21,970 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 09:28:21,970 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 09:28:21,971 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 09:28:21,971 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:28:21,971 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 09:28:21,971 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 09:28:21,971 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 09:28:21,971 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 09:28:21,971 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 09:28:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:28:21 BoogieIcfgContainer [2018-11-18 09:28:21,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:28:21,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:28:21,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:28:21,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:28:21,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:19" (3/4) ... [2018-11-18 09:28:21,989 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:28:21,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:28:21,996 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:28:21,997 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:28:21,997 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:28:21,997 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:28:22,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 09:28:22,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:28:22,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:28:22,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-18 09:28:22,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:28:22,055 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e372e299-2351-4ea5-af39-57be6439342d/bin-2019/utaipan/witness.graphml [2018-11-18 09:28:22,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:28:22,056 INFO L168 Benchmark]: Toolchain (without parser) took 3188.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -196.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,057 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:28:22,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.48 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. [2018-11-18 09:28:22,058 INFO L168 Benchmark]: Boogie Preprocessor took 23.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,058 INFO L168 Benchmark]: RCFGBuilder took 502.11 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,058 INFO L168 Benchmark]: TraceAbstraction took 2205.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,059 INFO L168 Benchmark]: Witness Printer took 71.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.48 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 23.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.11 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2205.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 119 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 529 SDtfs, 252 SDslu, 829 SDs, 0 SdLazy, 299 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 428 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 27323 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...