./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/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 ed47af17a01225db794df6404fe947f085302314 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:34:15,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:34:15,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:34:15,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:34:15,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:34:15,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:34:15,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:34:15,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:34:15,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:34:15,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:34:15,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:34:15,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:34:15,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:34:15,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:34:15,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:34:15,907 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:34:15,908 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:34:15,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:34:15,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:34:15,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:34:15,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:34:15,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:34:15,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:34:15,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:34:15,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:34:15,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:34:15,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:34:15,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:34:15,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:34:15,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:34:15,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:34:15,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:34:15,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:34:15,915 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:34:15,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:34:15,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:34:15,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:34:15,923 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:34:15,923 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:34:15,924 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:34:15,924 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:34:15,924 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:34:15,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:34:15,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:34:15,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:34:15,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:34:15,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:34:15,927 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:34:15,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:34:15,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:34:15,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:34:15,927 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_a60062ab-1691-4750-83f3-b0004f8cef19/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 -> ed47af17a01225db794df6404fe947f085302314 [2018-12-08 17:34:15,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:34:15,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:34:15,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:34:15,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:34:15,957 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:34:15,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-08 17:34:16,001 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/data/bd2c1cd71/08697651fc9f4564997a737745f3cd2d/FLAG6e627e9c1 [2018-12-08 17:34:16,347 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:34:16,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-08 17:34:16,353 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/data/bd2c1cd71/08697651fc9f4564997a737745f3cd2d/FLAG6e627e9c1 [2018-12-08 17:34:16,361 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/data/bd2c1cd71/08697651fc9f4564997a737745f3cd2d [2018-12-08 17:34:16,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:34:16,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:34:16,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:34:16,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:34:16,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:34:16,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16, skipping insertion in model container [2018-12-08 17:34:16,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:34:16,393 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:34:16,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:34:16,579 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:34:16,621 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:34:16,637 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:34:16,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16 WrapperNode [2018-12-08 17:34:16,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:34:16,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:34:16,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:34:16,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:34:16,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:34:16,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:34:16,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:34:16,659 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:34:16,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... [2018-12-08 17:34:16,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:34:16,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:34:16,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:34:16,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:34:16,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:34:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 17:34:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 17:34:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 17:34:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 17:34:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 17:34:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 17:34:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 17:34:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:34:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:34:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:34:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 17:34:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 17:34:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 17:34:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 17:34:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:34:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:34:16,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:34:16,971 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 17:34:16,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:34:16 BoogieIcfgContainer [2018-12-08 17:34:16,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:34:16,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:34:16,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:34:16,974 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:34:16,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:34:16" (1/3) ... [2018-12-08 17:34:16,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ad02be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:34:16, skipping insertion in model container [2018-12-08 17:34:16,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:34:16" (2/3) ... [2018-12-08 17:34:16,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ad02be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:34:16, skipping insertion in model container [2018-12-08 17:34:16,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:34:16" (3/3) ... [2018-12-08 17:34:16,976 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-08 17:34:16,982 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:34:16,988 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:34:16,997 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:34:17,016 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:34:17,016 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:34:17,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:34:17,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:34:17,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:34:17,016 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:34:17,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:34:17,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:34:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-12-08 17:34:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 17:34:17,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:34:17,034 INFO L402 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] [2018-12-08 17:34:17,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:34:17,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:34:17,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1249174412, now seen corresponding path program 1 times [2018-12-08 17:34:17,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:34:17,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:34:17,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:34:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:34:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:34:17,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:34:17,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:34:17,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:34:17,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:34:17,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:34:17,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:34:17,197 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-12-08 17:34:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:34:17,219 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions. [2018-12-08 17:34:17,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:34:17,220 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 17:34:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:34:17,227 INFO L225 Difference]: With dead ends: 232 [2018-12-08 17:34:17,227 INFO L226 Difference]: Without dead ends: 118 [2018-12-08 17:34:17,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:34:17,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-08 17:34:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-08 17:34:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-08 17:34:17,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2018-12-08 17:34:17,261 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2018-12-08 17:34:17,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:34:17,262 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2018-12-08 17:34:17,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:34:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2018-12-08 17:34:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:34:17,263 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:34:17,264 INFO L402 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] [2018-12-08 17:34:17,264 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:34:17,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:34:17,264 INFO L82 PathProgramCache]: Analyzing trace with hash -587499350, now seen corresponding path program 1 times [2018-12-08 17:34:17,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:34:17,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:34:17,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:34:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:34:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:34:17,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:34:17,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:34:17,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:34:17,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:34:17,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:34:17,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:34:17,320 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 3 states. [2018-12-08 17:34:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:34:17,331 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-12-08 17:34:17,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:34:17,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 17:34:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:34:17,333 INFO L225 Difference]: With dead ends: 175 [2018-12-08 17:34:17,333 INFO L226 Difference]: Without dead ends: 109 [2018-12-08 17:34:17,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:34:17,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-08 17:34:17,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-08 17:34:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 17:34:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2018-12-08 17:34:17,340 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 60 [2018-12-08 17:34:17,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:34:17,341 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2018-12-08 17:34:17,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:34:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2018-12-08 17:34:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 17:34:17,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:34:17,342 INFO L402 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] [2018-12-08 17:34:17,342 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:34:17,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:34:17,342 INFO L82 PathProgramCache]: Analyzing trace with hash 339004380, now seen corresponding path program 1 times [2018-12-08 17:34:17,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:34:17,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:34:17,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:34:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:34:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:34:17,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:34:17,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:34:17,434 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:34:17,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:34:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:34:17,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:34:17,435 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 7 states. [2018-12-08 17:34:17,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:34:17,681 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2018-12-08 17:34:17,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:34:17,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 17:34:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:34:17,685 INFO L225 Difference]: With dead ends: 327 [2018-12-08 17:34:17,685 INFO L226 Difference]: Without dead ends: 246 [2018-12-08 17:34:17,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:34:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-08 17:34:17,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2018-12-08 17:34:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-08 17:34:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2018-12-08 17:34:17,711 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 64 [2018-12-08 17:34:17,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:34:17,712 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2018-12-08 17:34:17,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:34:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2018-12-08 17:34:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 17:34:17,714 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:34:17,714 INFO L402 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, 1] [2018-12-08 17:34:17,715 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:34:17,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:34:17,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1433430855, now seen corresponding path program 1 times [2018-12-08 17:34:17,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:34:17,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:34:17,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:34:17,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:34:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:34:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:34:17,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:34:17,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:34:17,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:34:17,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:34:17,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:34:17,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:34:17,796 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 7 states. [2018-12-08 17:34:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:34:18,000 INFO L93 Difference]: Finished difference Result 398 states and 499 transitions. [2018-12-08 17:34:18,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:34:18,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-08 17:34:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:34:18,001 INFO L225 Difference]: With dead ends: 398 [2018-12-08 17:34:18,002 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:34:18,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:34:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:34:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:34:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:34:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:34:18,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-12-08 17:34:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:34:18,004 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:34:18,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:34:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:34:18,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:34:18,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:34:18,458 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 529 535) the Hoare annotation is: true [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 529 535) no Hoare annotation was computed. [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 536 544) no Hoare annotation was computed. [2018-12-08 17:34:18,458 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 536 544) the Hoare annotation is: true [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 536 544) no Hoare annotation was computed. [2018-12-08 17:34:18,458 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 233 240) the Hoare annotation is: true [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 233 240) no Hoare annotation was computed. [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 233 240) no Hoare annotation was computed. [2018-12-08 17:34:18,458 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 241 250) the Hoare annotation is: true [2018-12-08 17:34:18,458 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 241 250) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 241 250) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L451 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 251 279) the Hoare annotation is: true [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 251 279) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 273) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-12-08 17:34:18,459 INFO L448 ceAbstractionStarter]: For program point L259-1(lines 251 279) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 17:34:18,460 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 441 449) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 441 449) the Hoare annotation is: true [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 441 449) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 522 528) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 522 528) the Hoare annotation is: true [2018-12-08 17:34:18,461 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,461 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-08 17:34:18,461 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 430 440) the Hoare annotation is: true [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 430 440) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 430 440) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L451 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: true [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point L435-1(line 435) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 422 429) the Hoare annotation is: true [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 422 429) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 422 429) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 389 413) no Hoare annotation was computed. [2018-12-08 17:34:18,462 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 389 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-08 17:34:18,462 INFO L444 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 17:34:18,463 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 405) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 410) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2018-12-08 17:34:18,463 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,463 INFO L444 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2018-12-08 17:34:18,463 INFO L444 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 17:34:18,464 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L444 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-08 17:34:18,464 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L444 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2018-12-08 17:34:18,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 220 228) the Hoare annotation is: true [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: true [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-12-08 17:34:18,465 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-08 17:34:18,465 INFO L444 ceAbstractionStarter]: At program point L368(lines 368 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-08 17:34:18,465 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 354 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-08 17:34:18,465 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 354 380) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L361(lines 357 379) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L359(lines 357 379) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 354 380) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 17:34:18,466 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 17:34:18,466 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 17:34:18,466 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 17:34:18,467 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 17:34:18,467 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2018-12-08 17:34:18,467 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-12-08 17:34:18,467 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-12-08 17:34:18,467 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 17:34:18,467 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 17:34:18,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:34:18,467 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 17:34:18,468 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-12-08 17:34:18,468 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: true [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2018-12-08 17:34:18,468 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-12-08 17:34:18,468 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2018-12-08 17:34:18,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:34:18 BoogieIcfgContainer [2018-12-08 17:34:18,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:34:18,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:34:18,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:34:18,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:34:18,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:34:16" (3/4) ... [2018-12-08 17:34:18,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:34:18,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 17:34:18,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 17:34:18,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 17:34:18,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 17:34:18,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 17:34:18,489 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 17:34:18,495 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 17:34:18,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 17:34:18,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 17:34:18,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 17:34:18,497 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:34:18,497 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:34:18,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-12-08 17:34:18,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-08 17:34:18,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a60062ab-1691-4750-83f3-b0004f8cef19/bin-2019/utaipan/witness.graphml [2018-12-08 17:34:18,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:34:18,554 INFO L168 Benchmark]: Toolchain (without parser) took 2190.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -228.1 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:34:18,555 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:34:18,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:34:18,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:34:18,555 INFO L168 Benchmark]: Boogie Preprocessor took 21.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:34:18,555 INFO L168 Benchmark]: RCFGBuilder took 291.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:34:18,556 INFO L168 Benchmark]: TraceAbstraction took 1504.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 713.0 MB in the end (delta: 296.6 MB). Peak memory consumption was 296.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:34:18,556 INFO L168 Benchmark]: Witness Printer took 76.80 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 114.3 MB). Free memory was 713.0 MB in the beginning and 1.2 GB in the end (delta: -462.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:34:18,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 291.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1504.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 713.0 MB in the end (delta: 296.6 MB). Peak memory consumption was 296.6 MB. Max. memory is 11.5 GB. * Witness Printer took 76.80 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 114.3 MB). Free memory was 713.0 MB in the beginning and 1.2 GB in the end (delta: -462.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 292]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 516 SDtfs, 295 SDslu, 794 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 26206 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...