./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_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_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/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 eb6e4ceec74f15825c9a118863d143932b257258 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:59:53,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:59:53,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:59:53,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:59:53,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:59:53,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:59:53,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:59:53,913 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:59:53,914 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:59:53,915 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:59:53,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:59:53,916 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:59:53,916 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:59:53,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:59:53,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:59:53,918 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:59:53,919 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:59:53,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:59:53,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:59:53,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:59:53,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:59:53,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:59:53,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:59:53,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:59:53,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:59:53,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:59:53,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:59:53,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:59:53,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:59:53,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:59:53,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:59:53,931 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:59:53,931 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:59:53,931 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:59:53,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:59:53,932 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:59:53,932 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:59:53,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:59:53,943 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:59:53,944 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:59:53,944 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:59:53,944 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:59:53,944 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:59:53,944 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:59:53,944 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:59:53,945 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:59:53,945 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:59:53,945 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:59:53,945 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:59:53,945 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:59:53,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:59:53,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:59:53,946 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:59:53,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:59:53,946 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:59:53,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:59:53,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:59:53,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:59:53,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:59:53,948 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:59:53,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:59:53,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:59:53,949 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:59:53,949 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_53da7f00-00b3-441c-81e9-308104e2103e/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 -> eb6e4ceec74f15825c9a118863d143932b257258 [2018-11-18 10:59:53,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:59:53,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:59:53,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:59:53,982 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:59:53,982 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:59:53,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:54,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/data/bd78a9965/90661bc8f19e4f5790f403afb2b94bc0/FLAG15fc56e88 [2018-11-18 10:59:54,464 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:59:54,465 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:54,474 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/data/bd78a9965/90661bc8f19e4f5790f403afb2b94bc0/FLAG15fc56e88 [2018-11-18 10:59:54,484 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/data/bd78a9965/90661bc8f19e4f5790f403afb2b94bc0 [2018-11-18 10:59:54,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:59:54,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:59:54,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:59:54,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:59:54,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:59:54,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54, skipping insertion in model container [2018-11-18 10:59:54,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:59:54,537 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:59:54,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:59:54,761 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:59:54,851 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:59:54,867 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:59:54,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54 WrapperNode [2018-11-18 10:59:54,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:59:54,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:59:54,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:59:54,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:59:54,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:59:54,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:59:54,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:59:54,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:59:54,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... [2018-11-18 10:59:54,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:59:54,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:59:54,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:59:54,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:59:54,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/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 10:59:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:59:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:59:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:59:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:59:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 10:59:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 10:59:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:59:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:59:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:59:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:59:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:59:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:59:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:59:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:59:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:59:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:59:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:59:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:59:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:59:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:59:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:59:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 10:59:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 10:59:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:59:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:59:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:59:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:59:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:59:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:59:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 10:59:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 10:59:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 10:59:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 10:59:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 10:59:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 10:59:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:59:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:59:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:59:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:59:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:59:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:59:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:59:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:59:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:59:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:59:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:59:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:59:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:59:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:59:55,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:59:55,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:55 BoogieIcfgContainer [2018-11-18 10:59:55,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:59:55,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:59:55,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:59:55,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:59:55,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:59:54" (1/3) ... [2018-11-18 10:59:55,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce4cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:59:55, skipping insertion in model container [2018-11-18 10:59:55,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:54" (2/3) ... [2018-11-18 10:59:55,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce4cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:59:55, skipping insertion in model container [2018-11-18 10:59:55,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:55" (3/3) ... [2018-11-18 10:59:55,460 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:55,467 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:59:55,472 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:59:55,481 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:59:55,503 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:59:55,503 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:59:55,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:59:55,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:59:55,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:59:55,503 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:59:55,504 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:59:55,504 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:59:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-18 10:59:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:59:55,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:59:55,524 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:55,526 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:59:55,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:55,532 INFO L82 PathProgramCache]: Analyzing trace with hash -783016367, now seen corresponding path program 1 times [2018-11-18 10:59:55,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:59:55,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:55,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:59:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:59:55,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:55,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:59:55,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:59:55,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:59:55,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:59:55,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:59:55,755 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-18 10:59:55,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:55,776 INFO L93 Difference]: Finished difference Result 208 states and 257 transitions. [2018-11-18 10:59:55,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:59:55,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 10:59:55,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:59:55,784 INFO L225 Difference]: With dead ends: 208 [2018-11-18 10:59:55,784 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 10:59:55,786 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 10:59:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 10:59:55,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 10:59:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 10:59:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-18 10:59:55,820 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 59 [2018-11-18 10:59:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:59:55,820 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-18 10:59:55,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:59:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-18 10:59:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 10:59:55,822 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:59:55,822 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:55,822 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:59:55,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:55,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1617438697, now seen corresponding path program 1 times [2018-11-18 10:59:55,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:59:55,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:55,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:59:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:59:55,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:55,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:59:55,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:59:55,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:59:55,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:59:55,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:59:55,921 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2018-11-18 10:59:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:55,938 INFO L93 Difference]: Finished difference Result 142 states and 163 transitions. [2018-11-18 10:59:55,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:59:55,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 10:59:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:59:55,942 INFO L225 Difference]: With dead ends: 142 [2018-11-18 10:59:55,942 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 10:59:55,943 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 10:59:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 10:59:55,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 10:59:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 10:59:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2018-11-18 10:59:55,952 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 61 [2018-11-18 10:59:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:59:55,953 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2018-11-18 10:59:55,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:59:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2018-11-18 10:59:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 10:59:55,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:59:55,955 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:55,955 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:59:55,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:55,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1226699976, now seen corresponding path program 1 times [2018-11-18 10:59:55,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:59:55,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:55,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:55,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:59:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:59:56,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:56,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:59:56,087 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:59:56,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:59:56,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:59:56,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:59:56,088 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 7 states. [2018-11-18 10:59:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:56,463 INFO L93 Difference]: Finished difference Result 289 states and 348 transitions. [2018-11-18 10:59:56,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:59:56,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 10:59:56,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:59:56,466 INFO L225 Difference]: With dead ends: 289 [2018-11-18 10:59:56,466 INFO L226 Difference]: Without dead ends: 221 [2018-11-18 10:59:56,467 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:59:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-18 10:59:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2018-11-18 10:59:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-18 10:59:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 235 transitions. [2018-11-18 10:59:56,492 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 235 transitions. Word has length 66 [2018-11-18 10:59:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:59:56,493 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 235 transitions. [2018-11-18 10:59:56,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:59:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 235 transitions. [2018-11-18 10:59:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 10:59:56,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:59:56,496 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:59:56,499 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:59:56,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -852892763, now seen corresponding path program 1 times [2018-11-18 10:59:56,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:59:56,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:56,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:56,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:56,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:59:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:59:56,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:56,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:59:56,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:59:56,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:59:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:59:56,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:59:56,607 INFO L87 Difference]: Start difference. First operand 197 states and 235 transitions. Second operand 6 states. [2018-11-18 10:59:56,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:56,762 INFO L93 Difference]: Finished difference Result 350 states and 429 transitions. [2018-11-18 10:59:56,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:59:56,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-11-18 10:59:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:59:56,763 INFO L225 Difference]: With dead ends: 350 [2018-11-18 10:59:56,763 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:59:56,765 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:59:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:59:56,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:59:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:59:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:59:56,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-18 10:59:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:59:56,766 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:59:56,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:59:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:59:56,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:59:56,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:59:57,111 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 218 225) the Hoare annotation is: true [2018-11-18 10:59:57,111 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 209) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 203 209) the Hoare annotation is: true [2018-11-18 10:59:57,112 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 879 885) the Hoare annotation is: true [2018-11-18 10:59:57,112 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 879 885) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 886 894) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 886 894) the Hoare annotation is: true [2018-11-18 10:59:57,112 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 886 894) no Hoare annotation was computed. [2018-11-18 10:59:57,112 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-11-18 10:59:57,113 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 10:59:57,113 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 10:59:57,113 INFO L425 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2018-11-18 10:59:57,113 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,113 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-11-18 10:59:57,113 INFO L421 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,113 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,113 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2018-11-18 10:59:57,114 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2018-11-18 10:59:57,114 INFO L425 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2018-11-18 10:59:57,114 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2018-11-18 10:59:57,114 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 108 157) no Hoare annotation was computed. [2018-11-18 10:59:57,115 INFO L421 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,115 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,115 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2018-11-18 10:59:57,116 INFO L421 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,116 INFO L425 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2018-11-18 10:59:57,116 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,116 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2018-11-18 10:59:57,116 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2018-11-18 10:59:57,116 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,116 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2018-11-18 10:59:57,116 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 10:59:57,117 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L428 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 10:59:57,117 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 10:59:57,118 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 10:59:57,118 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 10:59:57,118 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 10:59:57,118 INFO L421 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,121 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,121 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2018-11-18 10:59:57,121 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2018-11-18 10:59:57,122 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,122 INFO L421 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,122 INFO L425 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2018-11-18 10:59:57,122 INFO L425 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2018-11-18 10:59:57,122 INFO L425 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2018-11-18 10:59:57,122 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,122 INFO L421 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,122 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 282 296) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L421 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 282 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 282 296) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 237 245) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 237 245) the Hoare annotation is: true [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 237 245) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:59:57,123 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:59:57,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 742 750) the Hoare annotation is: true [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 742 750) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 742 750) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point L702-1(lines 698 709) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 698 709) the Hoare annotation is: true [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 698 709) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L425 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-11-18 10:59:57,124 INFO L428 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-11-18 10:59:57,124 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-11-18 10:59:57,125 INFO L425 ceAbstractionStarter]: For program point L763-1(lines 763 777) no Hoare annotation was computed. [2018-11-18 10:59:57,125 INFO L428 ceAbstractionStarter]: At program point L763-3(lines 763 777) the Hoare annotation is: true [2018-11-18 10:59:57,125 INFO L428 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-18 10:59:57,125 INFO L425 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-18 10:59:57,125 INFO L428 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-11-18 10:59:57,125 INFO L425 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-18 10:59:57,125 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-18 10:59:57,125 INFO L428 ceAbstractionStarter]: At program point L190(lines 190 196) the Hoare annotation is: true [2018-11-18 10:59:57,125 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 10:59:57,126 INFO L425 ceAbstractionStarter]: For program point L183(lines 179 201) no Hoare annotation was computed. [2018-11-18 10:59:57,126 INFO L425 ceAbstractionStarter]: For program point L181(lines 179 201) no Hoare annotation was computed. [2018-11-18 10:59:57,126 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 176 202) the Hoare annotation is: true [2018-11-18 10:59:57,126 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 176 202) no Hoare annotation was computed. [2018-11-18 10:59:57,126 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 176 202) no Hoare annotation was computed. [2018-11-18 10:59:57,127 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 674 685) the Hoare annotation is: true [2018-11-18 10:59:57,127 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 674 685) no Hoare annotation was computed. [2018-11-18 10:59:57,127 INFO L425 ceAbstractionStarter]: For program point L678-1(lines 674 685) no Hoare annotation was computed. [2018-11-18 10:59:57,127 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 872 878) no Hoare annotation was computed. [2018-11-18 10:59:57,127 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 872 878) the Hoare annotation is: true [2018-11-18 10:59:57,127 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-11-18 10:59:57,127 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-11-18 10:59:57,127 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 10:59:57,128 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:59:57,128 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 297 304) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 297 304) the Hoare annotation is: true [2018-11-18 10:59:57,128 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 297 304) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L425 ceAbstractionStarter]: For program point L690-1(lines 686 697) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 686 697) no Hoare annotation was computed. [2018-11-18 10:59:57,128 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 686 697) the Hoare annotation is: true [2018-11-18 10:59:57,129 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 856) no Hoare annotation was computed. [2018-11-18 10:59:57,129 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 852 859) no Hoare annotation was computed. [2018-11-18 10:59:57,129 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 852 859) the Hoare annotation is: true [2018-11-18 10:59:57,129 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 852 859) no Hoare annotation was computed. [2018-11-18 10:59:57,129 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 814 824) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,129 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 814 824) no Hoare annotation was computed. [2018-11-18 10:59:57,129 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 814 824) no Hoare annotation was computed. [2018-11-18 10:59:57,129 INFO L421 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 10:59:57,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:59:57 BoogieIcfgContainer [2018-11-18 10:59:57,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:59:57,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:59:57,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:59:57,142 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:59:57,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:55" (3/4) ... [2018-11-18 10:59:57,147 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:59:57,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:59:57,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:59:57,153 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:59:57,154 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:59:57,155 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:59:57,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 10:59:57,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:59:57,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:59:57,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:59:57,162 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:59:57,162 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:59:57,163 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:59:57,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-11-18 10:59:57,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 10:59:57,223 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53da7f00-00b3-441c-81e9-308104e2103e/bin-2019/utaipan/witness.graphml [2018-11-18 10:59:57,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:59:57,224 INFO L168 Benchmark]: Toolchain (without parser) took 2736.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.4 MB in the beginning and 835.7 MB in the end (delta: 119.6 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:57,226 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:59:57,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:57,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.32 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 10:59:57,226 INFO L168 Benchmark]: Boogie Preprocessor took 28.95 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 10:59:57,227 INFO L168 Benchmark]: RCFGBuilder took 532.93 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: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:57,227 INFO L168 Benchmark]: TraceAbstraction took 1686.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.3 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:57,227 INFO L168 Benchmark]: Witness Printer took 81.42 ms. Allocated memory is still 1.2 GB. Free memory was 842.3 MB in the beginning and 835.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:57,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.32 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 28.95 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 532.93 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: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1686.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.3 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. * Witness Printer took 81.42 ms. Allocated memory is still 1.2 GB. Free memory was 842.3 MB in the beginning and 835.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 856]: 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: 108]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 119 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 470 SDtfs, 226 SDslu, 804 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=3, 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, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 202 PreInvPairs, 224 NumberOfFragments, 318 HoareAnnotationTreeSize, 202 FomulaSimplifications, 129 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 587 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 26612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...