./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0d9e585f0bc6d8da3f07d21418c982bbec5d957 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:24:10,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:24:10,775 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:24:10,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:24:10,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:24:10,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:24:10,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:24:10,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:24:10,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:24:10,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:24:10,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:24:10,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:24:10,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:24:10,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:24:10,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:24:10,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:24:10,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:24:10,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:24:10,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:24:10,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:24:10,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:24:10,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:24:10,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:24:10,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:24:10,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:24:10,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:24:10,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:24:10,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:24:10,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:24:10,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:24:10,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:24:10,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:24:10,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:24:10,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:24:10,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:24:10,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:24:10,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:24:10,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:24:10,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:24:10,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:24:10,821 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:24:10,822 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:24:10,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:24:10,822 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:24:10,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:24:10,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:24:10,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:24:10,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:24:10,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:24:10,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:24:10,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:24:10,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:24:10,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:24:10,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:24:10,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer 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 -> Automizer 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 -> c0d9e585f0bc6d8da3f07d21418c982bbec5d957 [2018-11-23 01:24:10,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:24:10,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:24:10,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:24:10,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:24:10,863 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:24:10,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-11-23 01:24:10,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/data/6c42ebe3f/6a587ba694f2419899be5bb0f889eff1/FLAG9f063e789 [2018-11-23 01:24:11,293 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:24:11,294 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/sv-benchmarks/c/product-lines/minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-11-23 01:24:11,302 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/data/6c42ebe3f/6a587ba694f2419899be5bb0f889eff1/FLAG9f063e789 [2018-11-23 01:24:11,680 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/data/6c42ebe3f/6a587ba694f2419899be5bb0f889eff1 [2018-11-23 01:24:11,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:24:11,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:24:11,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:24:11,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:24:11,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:24:11,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:11" (1/1) ... [2018-11-23 01:24:11,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2780dd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11, skipping insertion in model container [2018-11-23 01:24:11,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:11" (1/1) ... [2018-11-23 01:24:11,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:24:11,731 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:24:11,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:24:11,954 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:24:12,064 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:24:12,082 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:24:12,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12 WrapperNode [2018-11-23 01:24:12,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:24:12,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:24:12,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:24:12,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:24:12,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:24:12,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:24:12,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:24:12,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:24:12,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... [2018-11-23 01:24:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:24:12,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:24:12,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:24:12,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:24:12,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:24:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:24:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 01:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 01:24:12,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:24:12,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:24:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:24:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:24:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:24:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:24:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:24:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:24:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:24:12,173 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:24:12,173 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:24:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:24:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:24:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:24:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:24:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:24:12,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:24:12,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:24:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:24:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:24:12,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:24:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:24:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:24:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:24:12,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:24:12,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:24:12,580 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:24:12,580 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:24:12,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:12 BoogieIcfgContainer [2018-11-23 01:24:12,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:24:12,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:24:12,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:24:12,584 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:24:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:24:11" (1/3) ... [2018-11-23 01:24:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2972f3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:24:12, skipping insertion in model container [2018-11-23 01:24:12,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:12" (2/3) ... [2018-11-23 01:24:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2972f3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:24:12, skipping insertion in model container [2018-11-23 01:24:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:12" (3/3) ... [2018-11-23 01:24:12,587 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13_true-unreach-call_false-termination.cil.c [2018-11-23 01:24:12,597 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:24:12,604 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:24:12,619 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:24:12,645 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:24:12,645 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:24:12,646 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:24:12,646 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:24:12,646 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:24:12,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:24:12,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:24:12,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:24:12,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:24:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-23 01:24:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:24:12,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:24:12,672 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] [2018-11-23 01:24:12,675 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:24:12,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:24:12,680 INFO L82 PathProgramCache]: Analyzing trace with hash -854019340, now seen corresponding path program 1 times [2018-11-23 01:24:12,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:24:12,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:24:12,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:12,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:24:12,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:24:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:24:12,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:24:12,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:24:12,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:24:12,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:24:12,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:24:12,902 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-23 01:24:12,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:24:12,934 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2018-11-23 01:24:12,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:24:12,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 01:24:12,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:24:12,946 INFO L225 Difference]: With dead ends: 220 [2018-11-23 01:24:12,946 INFO L226 Difference]: Without dead ends: 112 [2018-11-23 01:24:12,950 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 [2018-11-23 01:24:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-23 01:24:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-23 01:24:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-23 01:24:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-11-23 01:24:12,991 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 59 [2018-11-23 01:24:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:24:12,992 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-11-23 01:24:12,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:24:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-11-23 01:24:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:24:12,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:24:12,995 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] [2018-11-23 01:24:12,995 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:24:12,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:24:12,995 INFO L82 PathProgramCache]: Analyzing trace with hash -657027675, now seen corresponding path program 1 times [2018-11-23 01:24:12,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:24:12,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:24:12,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:12,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:24:12,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:24:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:24:13,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:24:13,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:24:13,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:24:13,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:24:13,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:24:13,093 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-11-23 01:24:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:24:13,109 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-11-23 01:24:13,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:24:13,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 01:24:13,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:24:13,112 INFO L225 Difference]: With dead ends: 169 [2018-11-23 01:24:13,112 INFO L226 Difference]: Without dead ends: 103 [2018-11-23 01:24:13,113 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 [2018-11-23 01:24:13,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-23 01:24:13,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-23 01:24:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 01:24:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-23 01:24:13,124 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 60 [2018-11-23 01:24:13,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:24:13,125 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-23 01:24:13,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:24:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-23 01:24:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:24:13,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:24:13,127 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] [2018-11-23 01:24:13,127 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:24:13,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:24:13,127 INFO L82 PathProgramCache]: Analyzing trace with hash -35751499, now seen corresponding path program 1 times [2018-11-23 01:24:13,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:24:13,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:24:13,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:13,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:24:13,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:24:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:24:13,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:24:13,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:24:13,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:24:13,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:24:13,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:24:13,293 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-11-23 01:24:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:24:13,623 INFO L93 Difference]: Finished difference Result 178 states and 209 transitions. [2018-11-23 01:24:13,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:24:13,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 01:24:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:24:13,625 INFO L225 Difference]: With dead ends: 178 [2018-11-23 01:24:13,625 INFO L226 Difference]: Without dead ends: 103 [2018-11-23 01:24:13,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:24:13,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-23 01:24:13,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-23 01:24:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 01:24:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-11-23 01:24:13,635 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 64 [2018-11-23 01:24:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:24:13,639 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-11-23 01:24:13,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:24:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-11-23 01:24:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 01:24:13,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:24:13,641 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] [2018-11-23 01:24:13,642 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:24:13,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:24:13,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1930134360, now seen corresponding path program 1 times [2018-11-23 01:24:13,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:24:13,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:24:13,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:13,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:24:13,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:24:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:24:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:24:13,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:24:13,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:24:13,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:24:13,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:24:13,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:24:13,764 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 7 states. [2018-11-23 01:24:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:24:14,111 INFO L93 Difference]: Finished difference Result 156 states and 184 transitions. [2018-11-23 01:24:14,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:24:14,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2018-11-23 01:24:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:24:14,112 INFO L225 Difference]: With dead ends: 156 [2018-11-23 01:24:14,112 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:24:14,113 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 [2018-11-23 01:24:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:24:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:24:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:24:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:24:14,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-11-23 01:24:14,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:24:14,115 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:24:14,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:24:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:24:14,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:24:14,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:24:14,463 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2018-11-23 01:24:14,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 456 465) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,465 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-23 01:24:14,465 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2018-11-23 01:24:14,465 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-11-23 01:24:14,466 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-11-23 01:24:14,466 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2018-11-23 01:24:14,466 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2018-11-23 01:24:14,466 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,466 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,466 INFO L444 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,466 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,466 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2018-11-23 01:24:14,466 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 666 688) no Hoare annotation was computed. [2018-11-23 01:24:14,467 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-11-23 01:24:14,467 INFO L444 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-11-23 01:24:14,467 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2018-11-23 01:24:14,467 INFO L448 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2018-11-23 01:24:14,467 INFO L448 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2018-11-23 01:24:14,467 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2018-11-23 01:24:14,467 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2018-11-23 01:24:14,468 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2018-11-23 01:24:14,468 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2018-11-23 01:24:14,468 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2018-11-23 01:24:14,468 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 01:24:14,468 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 01:24:14,468 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,468 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2018-11-23 01:24:14,468 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2018-11-23 01:24:14,469 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,469 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2018-11-23 01:24:14,469 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2018-11-23 01:24:14,469 INFO L451 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2018-11-23 01:24:14,469 INFO L448 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2018-11-23 01:24:14,469 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 788 798) no Hoare annotation was computed. [2018-11-23 01:24:14,469 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2018-11-23 01:24:14,470 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-23 01:24:14,470 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-23 01:24:14,470 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,470 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-23 01:24:14,470 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-23 01:24:14,470 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2018-11-23 01:24:14,470 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,471 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,471 INFO L448 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2018-11-23 01:24:14,471 INFO L444 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,471 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,471 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2018-11-23 01:24:14,471 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-11-23 01:24:14,471 INFO L448 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L444 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L444 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 896) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L444 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2018-11-23 01:24:14,472 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2018-11-23 01:24:14,473 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,473 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2018-11-23 01:24:14,473 INFO L444 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:24:14,473 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 01:24:14,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:24:14,473 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2018-11-23 01:24:14,473 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 571 579) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2018-11-23 01:24:14,474 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,474 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L444 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L444 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2018-11-23 01:24:14,475 INFO L448 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-23 01:24:14,475 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 539 547) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 503 514) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 01:24:14,476 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-11-23 01:24:14,476 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2018-11-23 01:24:14,477 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-11-23 01:24:14,477 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-11-23 01:24:14,477 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-11-23 01:24:14,477 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-11-23 01:24:14,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:24:14 BoogieIcfgContainer [2018-11-23 01:24:14,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:24:14,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:24:14,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:24:14,486 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:24:14,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:12" (3/4) ... [2018-11-23 01:24:14,489 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:24:14,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:24:14,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:24:14,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:24:14,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:24:14,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:24:14,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:24:14,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:24:14,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:24:14,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 01:24:14,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:24:14,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:24:14,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:24:14,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:24:14,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:24:14,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:24:14,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:24:14,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:24:14,511 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 01:24:14,511 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:24:14,512 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:24:14,512 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:24:14,512 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:24:14,513 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:24:14,513 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:24:14,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-11-23 01:24:14,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-11-23 01:24:14,576 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_406d7ff6-0d60-4bd3-a235-e2207aedcc11/bin-2019/uautomizer/witness.graphml [2018-11-23 01:24:14,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:24:14,577 INFO L168 Benchmark]: Toolchain (without parser) took 2894.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.4 MB in the beginning and 810.6 MB in the end (delta: 145.9 MB). Peak memory consumption was 273.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,578 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:24:14,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:24:14,579 INFO L168 Benchmark]: Boogie Preprocessor took 24.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,579 INFO L168 Benchmark]: RCFGBuilder took 448.56 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,580 INFO L168 Benchmark]: TraceAbstraction took 1904.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 817.4 MB in the end (delta: 247.9 MB). Peak memory consumption was 247.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,580 INFO L168 Benchmark]: Witness Printer took 90.36 ms. Allocated memory is still 1.2 GB. Free memory was 817.4 MB in the beginning and 810.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:24:14,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.65 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 24.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 448.56 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1904.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 817.4 MB in the end (delta: 247.9 MB). Peak memory consumption was 247.9 MB. Max. memory is 11.5 GB. * Witness Printer took 90.36 ms. Allocated memory is still 1.2 GB. Free memory was 817.4 MB in the beginning and 810.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 200 SDslu, 460 SDs, 0 SdLazy, 279 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 26654 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...