./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_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_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/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 dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:15:05,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:15:05,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:15:05,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:15:05,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:15:05,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:15:05,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:15:05,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:15:05,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:15:05,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:15:05,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:15:05,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:15:05,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:15:05,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:15:05,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:15:05,943 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:15:05,943 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:15:05,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:15:05,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:15:05,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:15:05,947 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:15:05,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:15:05,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:15:05,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:15:05,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:15:05,949 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:15:05,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:15:05,950 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:15:05,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:15:05,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:15:05,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:15:05,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:15:05,952 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:15:05,952 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:15:05,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:15:05,953 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:15:05,953 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:15:05,960 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:15:05,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:15:05,961 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:15:05,961 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:15:05,961 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:15:05,961 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:15:05,961 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:15:05,961 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:15:05,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:15:05,962 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:15:05,963 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:15:05,963 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:15:05,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:15:05,964 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:15:05,964 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_a5f30b21-a267-47b0-966d-6e36cd25e5af/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 -> dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 [2018-12-02 13:15:05,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:15:05,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:15:05,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:15:05,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:15:05,991 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:15:05,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-12-02 13:15:06,025 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/data/909c6a193/ce3f3f375cdc4d9db39953bf238a23ff/FLAG363fc9b85 [2018-12-02 13:15:06,483 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:15:06,483 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-12-02 13:15:06,489 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/data/909c6a193/ce3f3f375cdc4d9db39953bf238a23ff/FLAG363fc9b85 [2018-12-02 13:15:06,497 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/data/909c6a193/ce3f3f375cdc4d9db39953bf238a23ff [2018-12-02 13:15:06,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:15:06,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:15:06,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:15:06,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:15:06,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:15:06,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,504 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 02.12 01:15:06, skipping insertion in model container [2018-12-02 13:15:06,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:15:06,528 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:15:06,670 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:15:06,715 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:15:06,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:15:06,788 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:15:06,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06 WrapperNode [2018-12-02 13:15:06,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:15:06,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:15:06,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:15:06,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:15:06,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:15:06,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:15:06,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:15:06,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:15:06,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... [2018-12-02 13:15:06,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:15:06,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:15:06,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:15:06,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:15:06,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/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 [2018-12-02 13:15:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 13:15:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 13:15:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:15:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:15:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:15:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 13:15:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:15:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:15:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 13:15:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 13:15:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:15:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:15:07,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:15:07,130 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 13:15:07,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:15:07 BoogieIcfgContainer [2018-12-02 13:15:07,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:15:07,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:15:07,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:15:07,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:15:07,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:15:06" (1/3) ... [2018-12-02 13:15:07,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e68850b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:15:07, skipping insertion in model container [2018-12-02 13:15:07,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:06" (2/3) ... [2018-12-02 13:15:07,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e68850b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:15:07, skipping insertion in model container [2018-12-02 13:15:07,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:15:07" (3/3) ... [2018-12-02 13:15:07,137 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-12-02 13:15:07,145 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:15:07,151 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:15:07,163 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:15:07,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:15:07,187 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:15:07,187 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:15:07,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:15:07,188 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:15:07,188 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:15:07,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:15:07,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:15:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-12-02 13:15:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 13:15:07,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:15:07,206 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] [2018-12-02 13:15:07,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:15:07,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:15:07,213 INFO L82 PathProgramCache]: Analyzing trace with hash 205200125, now seen corresponding path program 1 times [2018-12-02 13:15:07,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:15:07,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:15:07,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:15:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:15:07,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:15:07,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:15:07,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:15:07,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:15:07,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:15:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:15:07,375 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-12-02 13:15:07,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:15:07,396 INFO L93 Difference]: Finished difference Result 228 states and 281 transitions. [2018-12-02 13:15:07,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:15:07,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 13:15:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:15:07,403 INFO L225 Difference]: With dead ends: 228 [2018-12-02 13:15:07,403 INFO L226 Difference]: Without dead ends: 116 [2018-12-02 13:15:07,405 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 [2018-12-02 13:15:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-02 13:15:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-02 13:15:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-02 13:15:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-12-02 13:15:07,435 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2018-12-02 13:15:07,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:15:07,435 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-12-02 13:15:07,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:15:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-12-02 13:15:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 13:15:07,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:15:07,437 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] [2018-12-02 13:15:07,437 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:15:07,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:15:07,438 INFO L82 PathProgramCache]: Analyzing trace with hash 455638355, now seen corresponding path program 1 times [2018-12-02 13:15:07,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:15:07,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:15:07,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:15:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:15:07,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:15:07,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:15:07,512 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:15:07,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:15:07,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:15:07,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:15:07,514 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 3 states. [2018-12-02 13:15:07,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:15:07,529 INFO L93 Difference]: Finished difference Result 173 states and 199 transitions. [2018-12-02 13:15:07,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:15:07,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 13:15:07,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:15:07,531 INFO L225 Difference]: With dead ends: 173 [2018-12-02 13:15:07,532 INFO L226 Difference]: Without dead ends: 107 [2018-12-02 13:15:07,533 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 [2018-12-02 13:15:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-02 13:15:07,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-02 13:15:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-02 13:15:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2018-12-02 13:15:07,543 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2018-12-02 13:15:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:15:07,543 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2018-12-02 13:15:07,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:15:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2018-12-02 13:15:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 13:15:07,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:15:07,545 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] [2018-12-02 13:15:07,546 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:15:07,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:15:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash 579876913, now seen corresponding path program 1 times [2018-12-02 13:15:07,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:15:07,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:15:07,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:15:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:15:07,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:15:07,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:15:07,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:15:07,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:15:07,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:15:07,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:15:07,642 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 7 states. [2018-12-02 13:15:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:15:07,786 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2018-12-02 13:15:07,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:15:07,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-02 13:15:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:15:07,788 INFO L225 Difference]: With dead ends: 186 [2018-12-02 13:15:07,788 INFO L226 Difference]: Without dead ends: 107 [2018-12-02 13:15:07,789 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 [2018-12-02 13:15:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-02 13:15:07,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-02 13:15:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-02 13:15:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2018-12-02 13:15:07,798 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 65 [2018-12-02 13:15:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:15:07,800 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2018-12-02 13:15:07,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:15:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2018-12-02 13:15:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 13:15:07,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:15:07,802 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, 1, 1, 1] [2018-12-02 13:15:07,802 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:15:07,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:15:07,802 INFO L82 PathProgramCache]: Analyzing trace with hash -2077834244, now seen corresponding path program 1 times [2018-12-02 13:15:07,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:15:07,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:15:07,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:15:07,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:15:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:15:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:15:07,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:15:07,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:15:07,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:15:07,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:15:07,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:15:07,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:15:07,876 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 7 states. [2018-12-02 13:15:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:15:08,069 INFO L93 Difference]: Finished difference Result 164 states and 192 transitions. [2018-12-02 13:15:08,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:15:08,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-12-02 13:15:08,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:15:08,070 INFO L225 Difference]: With dead ends: 164 [2018-12-02 13:15:08,070 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:15:08,071 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 [2018-12-02 13:15:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:15:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:15:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:15:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:15:08,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-12-02 13:15:08,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:15:08,072 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:15:08,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:15:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:15:08,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:15:08,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:15:08,389 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2018-12-02 13:15:08,390 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2018-12-02 13:15:08,390 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 484 491) the Hoare annotation is: true [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 484 491) no Hoare annotation was computed. [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 484 491) no Hoare annotation was computed. [2018-12-02 13:15:08,390 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 492 501) the Hoare annotation is: true [2018-12-02 13:15:08,391 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 492 501) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 492 501) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L451 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: true [2018-12-02 13:15:08,391 INFO L448 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 527) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 502 530) no Hoare annotation was computed. [2018-12-02 13:15:08,391 INFO L451 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-12-02 13:15:08,392 INFO L448 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2018-12-02 13:15:08,392 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 502 530) the Hoare annotation is: true [2018-12-02 13:15:08,392 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 502 530) no Hoare annotation was computed. [2018-12-02 13:15:08,392 INFO L444 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,392 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 521) no Hoare annotation was computed. [2018-12-02 13:15:08,393 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 524) no Hoare annotation was computed. [2018-12-02 13:15:08,393 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 458 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,393 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 458 480) no Hoare annotation was computed. [2018-12-02 13:15:08,393 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-02 13:15:08,393 INFO L444 ceAbstractionStarter]: At program point L470-1(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-12-02 13:15:08,394 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 475) no Hoare annotation was computed. [2018-12-02 13:15:08,394 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 468 475) no Hoare annotation was computed. [2018-12-02 13:15:08,394 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 13:15:08,394 INFO L444 ceAbstractionStarter]: At program point L465(line 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,394 INFO L444 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,395 INFO L444 ceAbstractionStarter]: At program point L464-1(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,395 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 458 480) no Hoare annotation was computed. [2018-12-02 13:15:08,395 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2018-12-02 13:15:08,395 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2018-12-02 13:15:08,395 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2018-12-02 13:15:08,395 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2018-12-02 13:15:08,396 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2018-12-02 13:15:08,396 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 447 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,396 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 447 457) no Hoare annotation was computed. [2018-12-02 13:15:08,396 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 447 457) no Hoare annotation was computed. [2018-12-02 13:15:08,396 INFO L444 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,396 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 319 329) the Hoare annotation is: true [2018-12-02 13:15:08,397 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2018-12-02 13:15:08,397 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2018-12-02 13:15:08,397 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-12-02 13:15:08,397 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-02 13:15:08,397 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2018-12-02 13:15:08,397 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2018-12-02 13:15:08,398 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2018-12-02 13:15:08,398 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,398 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 294) no Hoare annotation was computed. [2018-12-02 13:15:08,398 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,398 INFO L448 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2018-12-02 13:15:08,398 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 299) no Hoare annotation was computed. [2018-12-02 13:15:08,398 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 278 302) no Hoare annotation was computed. [2018-12-02 13:15:08,399 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 278 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,399 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,399 INFO L448 ceAbstractionStarter]: For program point L297-1(lines 278 302) no Hoare annotation was computed. [2018-12-02 13:15:08,399 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,399 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 270 276) no Hoare annotation was computed. [2018-12-02 13:15:08,399 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 270 276) the Hoare annotation is: true [2018-12-02 13:15:08,399 INFO L444 ceAbstractionStarter]: At program point L225(lines 176 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,400 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 167 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 219) no Hoare annotation was computed. [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 167 232) no Hoare annotation was computed. [2018-12-02 13:15:08,400 INFO L444 ceAbstractionStarter]: At program point L215-2(lines 207 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point L178(lines 177 224) no Hoare annotation was computed. [2018-12-02 13:15:08,400 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-12-02 13:15:08,400 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-12-02 13:15:08,400 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L444 ceAbstractionStarter]: At program point L222(lines 177 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,401 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 183) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 167 232) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:15:08,401 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-12-02 13:15:08,401 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-12-02 13:15:08,402 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-12-02 13:15:08,402 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-12-02 13:15:08,402 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-12-02 13:15:08,402 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-12-02 13:15:08,402 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 385 414) no Hoare annotation was computed. [2018-12-02 13:15:08,402 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 385 414) the Hoare annotation is: true [2018-12-02 13:15:08,402 INFO L451 ceAbstractionStarter]: At program point L410(lines 385 414) the Hoare annotation is: true [2018-12-02 13:15:08,402 INFO L448 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2018-12-02 13:15:08,403 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 403) no Hoare annotation was computed. [2018-12-02 13:15:08,403 INFO L451 ceAbstractionStarter]: At program point L399-1(lines 399 403) the Hoare annotation is: true [2018-12-02 13:15:08,403 INFO L448 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2018-12-02 13:15:08,403 INFO L451 ceAbstractionStarter]: At program point L395-2(lines 395 409) the Hoare annotation is: true [2018-12-02 13:15:08,403 INFO L451 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2018-12-02 13:15:08,403 INFO L448 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2018-12-02 13:15:08,403 INFO L444 ceAbstractionStarter]: At program point L257(lines 257 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,404 INFO L444 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,404 INFO L448 ceAbstractionStarter]: For program point L250(lines 246 268) no Hoare annotation was computed. [2018-12-02 13:15:08,404 INFO L448 ceAbstractionStarter]: For program point L248(lines 246 268) no Hoare annotation was computed. [2018-12-02 13:15:08,404 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 243 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,404 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 243 269) no Hoare annotation was computed. [2018-12-02 13:15:08,404 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 243 269) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L444 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-02 13:15:08,405 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 439 445) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 439 445) the Hoare annotation is: true [2018-12-02 13:15:08,405 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:15:08,405 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-02 13:15:08,406 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2018-12-02 13:15:08,406 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2018-12-02 13:15:08,407 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2018-12-02 13:15:08,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:15:08 BoogieIcfgContainer [2018-12-02 13:15:08,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:15:08,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:15:08,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:15:08,418 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:15:08,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:15:07" (3/4) ... [2018-12-02 13:15:08,422 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:15:08,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 13:15:08,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 13:15:08,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 13:15:08,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:15:08,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 13:15:08,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 13:15:08,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 13:15:08,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 13:15:08,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:15:08,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 13:15:08,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-02 13:15:08,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 13:15:08,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 13:15:08,440 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 13:15:08,441 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:15:08,441 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:15:08,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-12-02 13:15:08,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-02 13:15:08,483 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5f30b21-a267-47b0-966d-6e36cd25e5af/bin-2019/utaipan/witness.graphml [2018-12-02 13:15:08,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:15:08,484 INFO L168 Benchmark]: Toolchain (without parser) took 1984.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 802.4 MB in the end (delta: 154.7 MB). Peak memory consumption was 282.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:15:08,484 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.04 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. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 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. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: RCFGBuilder took 300.12 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: TraceAbstraction took 1286.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.3 MB in the end (delta: 254.2 MB). Peak memory consumption was 254.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:15:08,485 INFO L168 Benchmark]: Witness Printer took 65.21 ms. Allocated memory is still 1.2 GB. Free memory was 809.3 MB in the beginning and 802.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:15:08,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.04 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 21.04 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. * RCFGBuilder took 300.12 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1286.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.3 MB in the end (delta: 254.2 MB). Peak memory consumption was 254.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.21 ms. Allocated memory is still 1.2 GB. Free memory was 809.3 MB in the beginning and 802.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 176]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 129 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 455 SDtfs, 206 SDslu, 471 SDs, 0 SdLazy, 296 SolverSat, 70 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27417 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...