./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11_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_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/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 42f057e1184787910edaa7abcd242178a9de26a8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:02:45,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:02:45,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:02:45,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:02:45,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:02:45,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:02:45,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:02:45,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:02:45,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:02:45,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:02:45,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:02:45,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:02:45,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:02:45,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:02:45,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:02:45,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:02:45,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:02:45,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:02:45,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:02:45,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:02:45,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:02:45,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:02:45,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:02:45,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:02:45,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:02:45,981 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:02:45,982 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:02:45,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:02:45,983 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:02:45,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:02:45,984 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:02:45,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:02:45,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:02:45,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:02:45,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:02:45,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:02:45,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:02:45,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:02:45,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:02:46,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:02:46,000 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:02:46,000 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:02:46,000 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:02:46,000 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:02:46,001 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:02:46,002 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:02:46,002 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:02:46,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:02:46,002 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:02:46,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:02:46,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:02:46,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:02:46,003 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:02:46,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:02:46,004 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:02:46,005 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_a7c5c526-06e6-4dda-937c-7fc432464789/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 -> 42f057e1184787910edaa7abcd242178a9de26a8 [2018-11-18 16:02:46,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:02:46,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:02:46,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:02:46,058 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:02:46,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:02:46,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-11-18 16:02:46,109 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/data/d3251f5f8/a98f2600a9bf431ca1125acbec801897/FLAG526db417b [2018-11-18 16:02:46,496 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:02:46,497 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/sv-benchmarks/c/product-lines/minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-11-18 16:02:46,506 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/data/d3251f5f8/a98f2600a9bf431ca1125acbec801897/FLAG526db417b [2018-11-18 16:02:46,879 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/data/d3251f5f8/a98f2600a9bf431ca1125acbec801897 [2018-11-18 16:02:46,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:02:46,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:02:46,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:02:46,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:02:46,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:02:46,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:02:46" (1/1) ... [2018-11-18 16:02:46,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb2fd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:46, skipping insertion in model container [2018-11-18 16:02:46,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:02:46" (1/1) ... [2018-11-18 16:02:46,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:02:46,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:02:47,167 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:02:47,176 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:02:47,293 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:02:47,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:02:47,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47 WrapperNode [2018-11-18 16:02:47,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:02:47,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:02:47,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:02:47,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:02:47,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:02:47,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:02:47,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:02:47,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:02:47,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... [2018-11-18 16:02:47,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:02:47,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:02:47,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:02:47,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:02:47,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/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 16:02:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:02:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:02:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:02:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:02:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 16:02:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 16:02:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:02:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:02:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:02:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:02:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:02:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:02:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:02:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:02:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:02:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:02:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:02:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:02:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:02:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:02:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:02:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:02:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:02:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:02:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:02:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:02:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:02:47,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:02:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:02:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:02:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:02:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:02:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:02:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:02:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:02:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:02:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:02:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:02:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:02:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:02:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:02:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:02:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:02:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:02:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:02:48,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:02:48,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:02:48 BoogieIcfgContainer [2018-11-18 16:02:48,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:02:48,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:02:48,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:02:48,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:02:48,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:02:46" (1/3) ... [2018-11-18 16:02:48,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536e98b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:02:48, skipping insertion in model container [2018-11-18 16:02:48,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:02:47" (2/3) ... [2018-11-18 16:02:48,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536e98b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:02:48, skipping insertion in model container [2018-11-18 16:02:48,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:02:48" (3/3) ... [2018-11-18 16:02:48,680 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11_true-unreach-call_false-termination.cil.c [2018-11-18 16:02:48,686 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:02:48,691 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:02:48,699 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:02:48,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:02:48,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:02:48,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:02:48,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:02:48,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:02:48,725 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:02:48,725 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:02:48,725 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:02:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-11-18 16:02:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:02:48,762 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:02:48,763 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 16:02:48,765 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:02:48,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:02:48,771 INFO L82 PathProgramCache]: Analyzing trace with hash -173395708, now seen corresponding path program 1 times [2018-11-18 16:02:48,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:02:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:48,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:02:48,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:48,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:02:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:02:49,126 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 16:02:49,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:02:49,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:02:49,129 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:02:49,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:02:49,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:02:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:02:49,165 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-11-18 16:02:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:02:49,194 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2018-11-18 16:02:49,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:02:49,195 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 16:02:49,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:02:49,204 INFO L225 Difference]: With dead ends: 190 [2018-11-18 16:02:49,205 INFO L226 Difference]: Without dead ends: 97 [2018-11-18 16:02:49,208 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 16:02:49,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-18 16:02:49,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-18 16:02:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-18 16:02:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2018-11-18 16:02:49,246 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 51 [2018-11-18 16:02:49,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:02:49,247 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2018-11-18 16:02:49,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:02:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2018-11-18 16:02:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:02:49,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:02:49,249 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 16:02:49,249 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:02:49,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:02:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1231454499, now seen corresponding path program 1 times [2018-11-18 16:02:49,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:02:49,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:02:49,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:02:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:02:49,389 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 16:02:49,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:02:49,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:02:49,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:02:49,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:02:49,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:02:49,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:02:49,391 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 3 states. [2018-11-18 16:02:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:02:49,419 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2018-11-18 16:02:49,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:02:49,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:02:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:02:49,422 INFO L225 Difference]: With dead ends: 128 [2018-11-18 16:02:49,422 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 16:02:49,423 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 16:02:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 16:02:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 16:02:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 16:02:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-11-18 16:02:49,433 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-11-18 16:02:49,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:02:49,434 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-11-18 16:02:49,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:02:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-11-18 16:02:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 16:02:49,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:02:49,435 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 16:02:49,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:02:49,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:02:49,436 INFO L82 PathProgramCache]: Analyzing trace with hash 409480750, now seen corresponding path program 1 times [2018-11-18 16:02:49,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:02:49,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:02:49,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:02:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:02:49,553 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 16:02:49,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:02:49,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:02:49,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:02:49,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:02:49,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:02:49,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:02:49,554 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 3 states. [2018-11-18 16:02:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:02:49,594 INFO L93 Difference]: Finished difference Result 200 states and 239 transitions. [2018-11-18 16:02:49,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:02:49,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 16:02:49,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:02:49,598 INFO L225 Difference]: With dead ends: 200 [2018-11-18 16:02:49,598 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 16:02:49,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:02:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 16:02:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2018-11-18 16:02:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 16:02:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2018-11-18 16:02:49,617 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 57 [2018-11-18 16:02:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:02:49,618 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2018-11-18 16:02:49,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:02:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2018-11-18 16:02:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 16:02:49,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:02:49,620 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 16:02:49,621 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:02:49,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:02:49,621 INFO L82 PathProgramCache]: Analyzing trace with hash -760241854, now seen corresponding path program 1 times [2018-11-18 16:02:49,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:02:49,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:02:49,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:49,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:02:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:02:49,768 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 16:02:49,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:02:49,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:02:49,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:02:49,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:02:49,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:02:49,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:02:49,770 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 6 states. [2018-11-18 16:02:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:02:50,311 INFO L93 Difference]: Finished difference Result 324 states and 402 transitions. [2018-11-18 16:02:50,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:02:50,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-18 16:02:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:02:50,314 INFO L225 Difference]: With dead ends: 324 [2018-11-18 16:02:50,315 INFO L226 Difference]: Without dead ends: 221 [2018-11-18 16:02:50,316 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 16:02:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-18 16:02:50,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2018-11-18 16:02:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-18 16:02:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 260 transitions. [2018-11-18 16:02:50,337 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 260 transitions. Word has length 60 [2018-11-18 16:02:50,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:02:50,337 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 260 transitions. [2018-11-18 16:02:50,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:02:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 260 transitions. [2018-11-18 16:02:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 16:02:50,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:02:50,339 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 16:02:50,340 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:02:50,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:02:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash 260833254, now seen corresponding path program 1 times [2018-11-18 16:02:50,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:02:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:50,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:02:50,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:02:50,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:02:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:02:50,524 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 16:02:50,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:02:50,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:02:50,525 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:02:50,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:02:50,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:02:50,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:02:50,526 INFO L87 Difference]: Start difference. First operand 217 states and 260 transitions. Second operand 6 states. [2018-11-18 16:02:50,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:02:50,868 INFO L93 Difference]: Finished difference Result 381 states and 472 transitions. [2018-11-18 16:02:50,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:02:50,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-18 16:02:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:02:50,870 INFO L225 Difference]: With dead ends: 381 [2018-11-18 16:02:50,870 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:02:50,872 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 16:02:50,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:02:50,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:02:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:02:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:02:50,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 16:02:50,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:02:50,875 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:02:50,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:02:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:02:50,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:02:50,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:02:51,287 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 514 521) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2018-11-18 16:02:51,287 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:02:51,287 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-11-18 16:02:51,288 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,288 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 607 654) no Hoare annotation was computed. [2018-11-18 16:02:51,288 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2018-11-18 16:02:51,288 INFO L421 ceAbstractionStarter]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,288 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,288 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-18 16:02:51,288 INFO L421 ceAbstractionStarter]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,288 INFO L425 ceAbstractionStarter]: For program point L608(lines 607 654) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point L637(lines 637 650) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L421 ceAbstractionStarter]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,289 INFO L421 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-11-18 16:02:51,289 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,290 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,290 INFO L421 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,290 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 866 888) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L425 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2018-11-18 16:02:51,290 INFO L421 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,290 INFO L421 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,291 INFO L421 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,291 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2018-11-18 16:02:51,291 INFO L421 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 16:02:51,291 INFO L425 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-11-18 16:02:51,291 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 16:02:51,291 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 578 592) no Hoare annotation was computed. [2018-11-18 16:02:51,291 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2018-11-18 16:02:51,291 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2018-11-18 16:02:51,291 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 533 541) no Hoare annotation was computed. [2018-11-18 16:02:51,291 INFO L421 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 704) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L421 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: true [2018-11-18 16:02:51,292 INFO L428 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2018-11-18 16:02:51,292 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: true [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 674 681) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point L743-1(lines 739 750) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-11-18 16:02:51,293 INFO L428 ceAbstractionStarter]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2018-11-18 16:02:51,293 INFO L425 ceAbstractionStarter]: For program point L804-1(lines 804 818) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L428 ceAbstractionStarter]: At program point L804-3(lines 804 818) the Hoare annotation is: true [2018-11-18 16:02:51,294 INFO L428 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-11-18 16:02:51,294 INFO L425 ceAbstractionStarter]: For program point L800-1(line 800) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2018-11-18 16:02:51,294 INFO L428 ceAbstractionStarter]: At program point L819(lines 794 823) the Hoare annotation is: true [2018-11-18 16:02:51,294 INFO L425 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L425 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2018-11-18 16:02:51,294 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 751 759) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2018-11-18 16:02:51,294 INFO L421 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-18 16:02:51,295 INFO L428 ceAbstractionStarter]: At program point L468(lines 468 474) the Hoare annotation is: true [2018-11-18 16:02:51,295 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: true [2018-11-18 16:02:51,295 INFO L421 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point L461(lines 460 479) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point L719-1(lines 715 726) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 16:02:51,295 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 16:02:51,295 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2018-11-18 16:02:51,296 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2018-11-18 16:02:51,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:02:51,296 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-18 16:02:51,296 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:02:51,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:02:51,296 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2018-11-18 16:02:51,296 INFO L425 ceAbstractionStarter]: For program point L731-1(lines 727 738) no Hoare annotation was computed. [2018-11-18 16:02:51,296 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: true [2018-11-18 16:02:51,296 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 664 671) no Hoare annotation was computed. [2018-11-18 16:02:51,297 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2018-11-18 16:02:51,297 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2018-11-18 16:02:51,297 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2018-11-18 16:02:51,297 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,297 INFO L421 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 16:02:51,297 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2018-11-18 16:02:51,297 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2018-11-18 16:02:51,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:02:51 BoogieIcfgContainer [2018-11-18 16:02:51,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:02:51,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:02:51,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:02:51,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:02:51,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:02:48" (3/4) ... [2018-11-18 16:02:51,310 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:02:51,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:02:51,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:02:51,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:02:51,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:02:51,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:02:51,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:02:51,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:02:51,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:02:51,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:02:51,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 16:02:51,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:02:51,325 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:02:51,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:02:51,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:02:51,376 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7c5c526-06e6-4dda-937c-7fc432464789/bin-2019/utaipan/witness.graphml [2018-11-18 16:02:51,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:02:51,377 INFO L168 Benchmark]: Toolchain (without parser) took 4495.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:51,378 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:02:51,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:51,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.17 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 16:02:51,379 INFO L168 Benchmark]: Boogie Preprocessor took 30.16 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 16:02:51,379 INFO L168 Benchmark]: RCFGBuilder took 1301.28 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:51,379 INFO L168 Benchmark]: TraceAbstraction took 2632.01 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: -25.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:51,379 INFO L168 Benchmark]: Witness Printer took 70.46 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:51,381 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.17 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 30.16 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 1301.28 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2632.01 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: -25.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.46 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: 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: 606]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 110 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 515 SDtfs, 183 SDslu, 696 SDs, 0 SdLazy, 109 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 236 PreInvPairs, 265 NumberOfFragments, 398 HoareAnnotationTreeSize, 236 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 791 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 29270 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...